Tavi Gevinson is an American writer and actress. She was only 12 when she garnered attention thanks to her fashion blog, Style Rookie. She then founded Rookie, an online magazine for teenage girls. As an actress, she made her debut in the 2013 film Enough Said. She later made her TV debut in an episode of Parenthood. She next guest-starred in The Simpsons and Scream Queens. After appearances in the films Goldbricks in Bloom and Person to Person, she had her first main role on TV as Helena St. Tessero in Neo Yokio. She became further known for her role as Kate Keller in the 2021 reboot of Gossip Girl.