Upton's early acting career, marked by roles in films like "The Other Woman" (2014) and "Entourage" (2015), often featured her in romantic comedies and dramas. Her on-screen relationships were frequently portrayed as tumultuous and passionate, with her characters often playing the role of the romantic interest or love interest. For instance, in "The Other Woman," Upton played Amber, a seductive and manipulative woman who becomes embroiled in a love triangle with a married man (played by Adam Burns) and his mistress (played by Cameron Diaz). This portrayal reinforced the notion that women are often pitted against each other in romantic relationships, highlighting the societal pressure on women to conform to traditional feminine norms.