Consumers are becoming more and more active in interaction with luxury fashion brands via social media platforms. In the meantime, consumer addiction to brands is seen as one of the most important ways in which consumers engage with brands. Extant literature on brand addictive behavior suggests both positive and negative consequences from brand addiction. However, in the context of luxury fashion brand consumption, little is known about consumers’ brand addictive experience with social media marketing and whether social-media-facilitated brand addiction leads to negative or positive consequences.