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.

Cyndi Lauper (Season 2)

The “Girls Just Want To Have Fun” singer surprised everyone when she appeared as a party guest at Blair Waldorf’s birthday in season two.

Nastia Liukin (Season 2)

Also appearing in season two was Liukin, who traded her Olympic medals for a ticket to the Snowflake Ball where she flirted with the dreamy (and problematic) Chuck Bass.

Armie Hammer (Season 2)

Before becoming one of Hollywood's most controversial celebrities, Hammer played Gabriel Edwards in season two of Gossip Girl. Edwards was one of Serena van der Woodsen’s love interests.

Hilary Duff (Season 3)

In season three, Hilary Duff guest starred as Olivia Burke, a famous actress and NYU freshman. In one of Gossip Girl’s most chaotic moments, Burke has an impromptu threesome with Dan Humphrey and Vanessa Abrams.

Tyra Banks (Season 3)

Season three also featured supermodel Tyra Banks as Ursula, a rising actress who Serena befriends while working as a publicist.

Karlie Kloss (Season 4)

The Victoria’s Secret model appeared as herself in season four, going as Lily’s guest to a fashion event.

Tim Gunn (Season 4)

The Project Runway star appeared in an episode of season four when Jenny Humphrey meets him for a coveted job interview.

Vera Wang (Season 5)

Wang played herself, designing Blair's wedding dress before she married Prince Louis Grimaldi in season five.

Kristen Bell (Season 6)

Bell was the mysterious voice of Gossip Girl throughout the series, and finally made a guest appearance in the final episode.

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