These Beauty Cliques Dominated Hollywood in 2015

Who: Jen Atkin
What: Hairstylist
Social Stats: Instagram user @jenatkinhair, 531K followers
Famous Clients: Kim Kardashian, Khloé Kardashian, Chrissy Teigen, Jessica Alba, Jennifer Lopez
Fun Fact: Her personal account, @jenatkinlikethediet, offers an inside look at her jet-set lifestyle (and friendships with star clients). She frequently travels to Dubai for appointments, where celebrity stylists can earn more than $10,000 in one day alone. And yes, she was abroad for the epic Kardashian-West wedding weekend.