Three of social media’s biggest stars are taking their spat to the court of public opinion. Influencers Alex Cooper and Alix Earle, who were rumored to have a massive fallout last year , have exchanged barbs on social media in the past week, renewing fan interest in their purported feud. The saga began when Cooper posted a TikTok video Monday accusing Earle of resharing “passive-aggressive” social media posts about her. By Wednesday, it had escalated, with Cooper also claiming Barstool Sports podcaster Brianna LaPaglia (known online as Brianna Chickenfry) is “adding onto the fake narrative and dog pile” by calling her a “mean girl.” Cooper, whose "Call Her Daddy" podcast is among the most listened-to shows, has built a brand with Unwell Network, a subsidiary of the media company Trending, which she founded with her husband, Matt Kaplan. Her millions of listeners, nicknamed the “Daddy Gang,” consider her the go-to voice on relationships, dating and life in your 20s and 30s.…