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This paper aims to examine the importance of celebrity brands in influencing consumer perceptions of celebrity authenticity, which drives positive consumer attitudes and intentions. In addition, the notion of low-celebrity investment is investigated as a factor that diminishes the positive outcomes associated with celebrity brands.

Study 1 examines the effect of brand situation (endorsement versus celebrity brand) on consumer attitudes and intentions. Studies 2 and 3 investigate the role of celebrity authenticity in explaining the effects observed in Study 1. Study 4 examines celebrity investment as a bound of the phenomenon.

Study 1 demonstrates that consumers report heightened attitudes and intentions towards celebrity brands when compared to endorsements. Studies 2 and 3 provide evidence that authenticity explains the effects observed in Study 1. Results of Study 4 show that when consumers are aware of low-celebrity investment, the celebrity is viewed as inauthentic regardless of brand situation.

This research is limited as it focuses only on known celebrity endorsers who were matched with products that had a high level of fit. In addition, purchase intentions were measured as opposed to the study of actual purchase behaviour.

This research has important implications for the development of endorsements and celebrity brands by demonstrating that consumers view celebrities as authentic when they are involved with brands for reasons other than monetary compensation.

This research shows that consumers have heightened attitudes and intentions towards celebrity brands compared to endorsements. This research identifies celebrity authenticity as the process underlying the observed phenomenon. However, celebrity investment is identified as a boundary condition demonstrating that knowledge of low investment results in a celebrity being viewed as inauthentic.

Social media platforms are changing the way consumers and celebrities engage. This research aims to better understand how and why consumers use social media to engage with celebrities, and identify the potential antecedents and outcomes, which may result from these online connections.

Both qualitative (two focus groups) and quantitative (survey) methods were used to explore consumer engagement with celebrities on social media. A structural model from the survey data was developed and analyzed.

Textual analysis of the focus groups revealed that consumers follow celebrities on social media to obtain career and personal information about the celebrity. Further, authenticity and emotional attachment were identified as favorable aspects of following celebrities on social media. An empirical study confirmed that the constructs of authenticity and emotional attachment positively influence the outcomes of word-of-mouth and purchase likelihood.

The study was limited by the self-identification of a favorite celebrity and social media site. Future research should include empirical testing of specific celebrities featured on a specific social media site and the development of the constructs identified in the focus groups.

This research sheds light on the antecedents and outcomes associated with consumer–celebrity engagement on social media. The implications for marketers and advertisers include a better understanding of how celebrities transform themselves and engage with consumers on social media.

This paper fulfills an identified need to study authenticity and emotional attachment as they relate to celebrities and consumers’ engagements on social media.

Celebrity-branded products constitute a brand extension growing phenomenon. Authenticity may explain why some of these offerings are successful despite low perceived fit, a traditional measure for brand extension acceptance. The purpose of this paper is to propose and test a framework based on the meaning transfer model that depicts the effects of brand extension authenticity, brand extension fit and idol attachment on the valuation of such offerings. An exploration of both functional and hedonic extensions is provided to control for product-type variables.

Scenario-based survey data from a general population (n = 646) was collected and analyzed with ordinary least squares regressions.

Brand extension authenticity is a significant antecedent of brand extension success in both product types, and brand extension fit is the most relevant antecedent only in functional extensions. Idol attachment exerts less influence than fit and authenticity in the functional extension. However, its relevance considerably improves in the hedonic extension.

A better understanding of consumers’ responses to celebrity brand extensions is essential to the branding literature. To the best of the authors’ knowledge, this study is the first to consider brand extension authenticity as a predictor of celebrity brand extension success and advances our knowledge of consumer behavior in relation to celebrities as brands and their products as brand extensions. The conceptual and empirical relevance of brand extension authenticity is demonstrated, highlighting its predictive power when compared with brand extension fit and idol attachment in a celebrity brand extension model, and a boundary condition related to product typology is uncovered.

The purpose of this paper is to introduce and examine the effect of a celebrity’s eye gaze on self-celebrity connection. A celebrity’s direct (vs averted) eye gaze can be used as a tactic in social media posts to increase self-celebrity connection and behavioral intentions. Examining the effectiveness of a celebrity’s eye gaze is important, as celebrities regularly use social media to manage their brand image and to build a relationship with consumers.

Study 1 examines the effect of a celebrity’s eye gaze (direct vs averted) on self-celebrity connection. Study 2 investigates the role of celebrity authenticity in explaining the effect of a celebrity’s eye gaze on consumer–celebrity brand relationships. Study 3 examines the moderating role of a non-Duchenne smile (fake, social smile) in diluting the effect of a celebrity’s direct eye gaze on self-celebrity connection and the downstream consequences on behavioral intentions.

The findings from Study 1 indicate that a celebrity’s direct (averted) eye gaze strengthens (weakens) self-celebrity connection. Study 2 provides evidence of celebrity authenticity as the explanation for stronger consumer–celebrity connection when a celebrity is featured with a direct eye gaze. The results of Study 3 show that a fake smile in a celebrity’s social media posts can weaken relationships with and behavioral intentions toward celebrities with a direct eye gaze.

This paper is limited, as it focuses only on eye gaze and smiles as non-verbal cues depicted in celebrity images on social media.

This paper has important implications for celebrities, celebrity brand managers (including digital/social media marketing managers and public relations professionals) and advertisers. Celebrities, celebrity brand managers and advertisers should develop social media posts that can strengthen consumer–celebrity relationships and positively influence behaviors toward the celebrity through: 1) ensuring that photographs are taken with the celebrity looking directly into the camera at the target (audience); and 2) avoiding posting images of a celebrity’s direct eye gaze with a non-Duchenne (fake) smile.

This paper introduces and provides evidence of a celebrity’s direct eye gaze–self-celebrity relationship effect. Tactics, such as eye gaze, can strengthen consumer–celebrity relationships, which is crucial in building brand equity and in increasing financial value for the celebrity.

Celebrities communicating about environmental sustainability on social media have the power to inspire young adults to engage in pro-environmental behavior, such as reducing their consumption behavior or only buying local and organic food. However, at the same time, celebrities’ carbon-rich and luxurious lifestyles might generate skepticism when they preach about environmental action. Thus, this study aims to shed light on the effects of celebrity pro-environmental messages on young adults’ perceived authenticity and greenwashing and, subsequently, on young adults’ pro-environmental behavior. Moreover, this study examined the moderation effect of congruent (vs incongruent) messages in the celebrity’s social media profile depicting an environmentally friendly (vs unfriendly) lifestyle.

The authors conducted a 3 (celebrity pro-environmental messages: with concrete action claim vs without vs control group) x 2 (celebrity message-lifestyle congruence: congruent vs incongruent) between-subjects experimental study (N = 400) with young adults (16–26 years old).

Results showed a significant positive effect of celebrity pro-environmental messages with concrete green action claims on authenticity perceptions only when the social media profile depicted a congruent environmentally friendly lifestyle. Moreover, higher perceived authenticity of the celebrity by social media audiences led to a higher likelihood of young adults’ engagement in pro-environmental behavior.

To the best of the authors’ knowledge, this study is the first to consider celebrity message characteristics and young adults’ perceptions of authenticity and greenwashing when investigating the effects of celebrity pro-environmental messages on young adults’ pro-environmental behavior.

Internet celebrities have become key resources for consumers making purchase decisions. An increasing number of internet celebrities have begun to exert their influence by creating self-branded products. This study aims to examine the antecedents of consumer attitudes and purchase intentions towards internet celebrity self-brands by integrating cognitive consistency theory, cue utilisation theory and the literature on brand authenticity and celebrity involvement.

Two sub-samples of different social media brand communities were collected via online surveys of consumers with experience purchasing targeted internet celebrity self-brands. Partial least squares structural equation modelling (PLS-SEM) was used to analyse the data.

The results of the two sub-samples provide convergent evidence that brand–consumer congruence, brand authenticity and internet celebrity involvement have positive correlations with consumer attitudes towards internet celebrity self-brands, which then positively correlate with purchase intentions in both psychological (Sub-sample 1) and social (Sub-sample 2) brand communities.

To the best of the authors’ knowledge, this research is the first to develop a comprehensive model of consumers’ attitudes towards internet celebrity self-brands, which predict purchase intentions. The model is empirically tested in different social media brand communities, and the convergent results show the power of the proposed model. Internet celebrity involvement is proposed as a key driver of brand attitudes, which has received little attention. We conceptualise internet celebrity involvement and develop a scale to measure it. Based on the findings, we propose strategies to improve the marketing effectiveness of internet celebrity self-brands.

The study uses the meaning transfer model to integrate celebrity advertising and branding under the broad paradigm of celebrity–brand communication. Specifically, the paper aims to examine the influence of celebrity attributes (authenticity and identification) on brand advocacy and purchase intention through brand personality appeal and brand identification.

The study adopts two scenario-based research designs (involving nonfictitious and fictitious celebrities) for a cross-sectional structural path analysis.

Celebrity authenticity, celebrity identification and celebrity–brand congruency significantly influence brand advocacy and purchase intention, with brand personality appeal and brand identification emerging as effective mediators.

The study highlights how vital brand personality appeal and brand identification are in transferring positive perceptions about a celebrity endorser into brand advocacy and purchase intention. These results will allow marketers to realize the relative influence of celebrity attributes on the partnered brand.

In the current era of fake news, illusions, manipulations and other artificial attributes of virtuality and reality, authenticity is a virtue that people highly appreciate. This study aims to examine the influence of the personal brand authenticity of top football players on loyalty to the football discipline in general, via the mediation of personal brand identification.

Based on data collected from a convenience sample of 562 respondents from Poland via an electronic survey and analyzed using the structural equation modeling method, this study explored, first, the influence of top football players’ personal brand authenticity on consumers’ identification with these football players, and second, how this identification may lead to enhancing loyalty to the football discipline. Finally, it verified how the loyalty effect (attitudinal and behavioral) varies across different categories of spectators.

Personal brand identification with authentic football stars is a focal factor enabling the creation of loyalty (attitudinal and behavioral) to the whole discipline. Consumers’ perceptions of the authenticity of the personal brands of football players play a role in increasing identification with these personal brands. This identification is essential in achieving loyalty to football as a sports discipline via football celebrities.

Football players perceived as authentic are evaluated more positively, leading to consumer identification with these players, which, in turn, increases consumers’ loyalty to football. Thus, the presence of authentic, skilled players is important for football, but the actual loyalty effect from authenticity can be achieved only by identification. Therefore, football requires exceptional, strong stars who reflect a set of desired personal values. Further research is needed to identify the desired set of values that leads to identification with football stars.

This study presents evidence that the personal brand authenticity of a football star is a driver of loyalty towards football discipline in general if the spectators’ identification with this superstar occurs. Moreover, this study proves that loyalty to football driven by the personal brand authenticity of football stars differs between spectators’ categories.

This paper aims to demonstrate how consumer attachment to celebrity brands is driven by perceived narratives about the celebrity’s persona, which triggers communal (i.e. altruistic) relationship norms. The research investigates the differential role of narratives about celebrities’ personal vs professional lives in creating attachment and identifies and tests moderating effects of narrative characteristics including perceived source of fame, valence and authenticity.

Three online experiments tested the proposed direct, meditating and moderating relationships. Data was analyzed using mediation analysis and multiple ANOVAs.

The results suggest relationship norms that are more altruistic in nature fully mediate the relationship between narrative type and brand attachment. Additionally, personal narratives produce stronger attachment than professional narratives; the celebrity’s source of fame moderates narrative type and attachment; and on-brand narratives elicit higher attachment than off-brand narratives, even when these narratives are negative.

The authors offer recommendations for how marketers can shape celebrity brand narratives to build stronger consumer attachment. Notably, personal (vs professional) narratives are critical in building attachment, especially for celebrity brands that are perceived to have achieved their fame. Both positive and negative personal narratives can strengthen attachment for achieved celebrity brands, but only if they are on-brand with consumer expectations.

This research is an introductory examination of the fundamental theoretical process by which celebrity brand relationships develop from brand persona narratives and how characteristics of those narratives influence consumer-brand attachment.

The purpose of this study is to investigate the impulsive purchase of Generation Z of Muslim women on TikTok Shop. The primary attention in this stimulation investigation drives the impulsive buying between the Generation Z of Muslim women customers in Indonesia. This study provides valuable concept to help a company or cosmetic brand grow the marketing strategy for stimulating impulsive behaviour of Generation Z customers on TikTok Shop.

An online survey of 256 Muslim women consumers of the Generation Z was used to collect the data. Covariance-based structural equation modelling was applied to assess the five hypotheses.

The results of this study indicate that micro-celebrities post authenticity has a positive and significant relationship with utilitarian browsing. However, micro-celebrities post authenticity did not have a positive and significant relationship with hedonic browsing. This study also concludes that utilitarian browsing was found to have a positive and significant relationship with hedonic browsing. Finally, hedonic browsing was found to have a positive and significant effect on reminiscence impulse purchase intention and designed impulse purchase intention.

The primary limitation is the research sample that only consists of Indonesian TikTok Shop customers. Next, the researchers could examine the research model in several countries to expand its generalisation. The second one, this research does not consider the origin country of a cosmetic product. The future study must investigate the local and foreign cosmetics to see the preference and the differences in the impulsive purchase, especially for Z women generation customer. Third, this study quantifies the intention to buy impulsively so that the following research must investigate the ownership of the cosmetics product that has been bought before. Finally, the research only involves a quantitative research method. The future study must investigate with another approach, such as a qualitative method or mixed-method, in the impulsive purchase intention context.

A cosmetic company or marketer could maximise the authenticity, relevancy and attractive information that is posted by micro media social celebrities or media social influencers. Cosmetic companies or marketers must provide comprehensive information to satisfy customers’ browsing actions. Finally, besides the information related to the limited cosmetics product stock, discount and promotion as the effective strategy to stimulate the impulsive buying, the cosmetics marketing can use gamification, increasing the picture quality and equipping product descriptions, and making educational content.

The existence of TikTok Shop is increasing the number of cosmetics products and competitors because of product’s excessive availability in the market. In the social benefit context, the Generation Z Muslim women can purchase and use various cosmetics product available on TikTok Shop, but customers must be on guard by knowing the cosmetics material to prevent the healthiness. In addition, the existence of TikTok Shop and the impulsive purchases by the Generation Z Muslim women are also increasing the retailer or local cosmetics producer income.

This study is a contribution to consumer behaviour literature by raising the Stimulus–Organism–Response framework used in determining the factors influencing browsing and impulsive consumption of cosmetic products on TikTok Shop.