Who plays Kate Keller in Gossip Girl? – Tavi Gevinson
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Gossip Girl reboot cast: Here's where you've seen the actors before

10. Who plays Kate Keller in Gossip Girl? – Tavi Gevinson
Tavi Gevinson plays Kate Keller in HBO Max’s Gossip Girl series. Kate has been described as a character who embodies ‘ambition’. Elsewhere on screen, you may recognise Tavi from her roles in The Twilight Zone, Scream Queens and Parenthood. As well as acting, Tavi is also a writer who founded Rookie magazine, an online magazine for teenagers that focused on fashion, pop culture, feminism and social issues. The website closed in 2018. [Jose Perez/Bauer-Griffin/GC Images]