All The Celebrity Cameos You Forgot On 'Gossip Girl'

From Hilary Duff to Tyra Banks.

15 years ago Gossip Girl premiered on the CW, and along with it came 6 seasons of love triangles, catfights, breathy monologues, and of course, iconic celebrity cameos. Ahead we’ve rounded up 10 of the best surprise appearances by Hollywood stars.

Tinsley Mortimer (Season 2)

Real Housewives of New York star — and one of NYC’s original It Girls — Tinsley Mortimer starred as herself. Mortimer is introduced as a friend of Lily van der Woodsen in season two.