Hilary Duff, Tim Gunn and More of Our Favorite Celebrity Guest Stars to Appear on ‘Gossip Girl’

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Jul 12, 2016 2:04 pm·

By Allison Cacich

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Hilary Duff

The Lizzie McGuire alum played actress Olivia Burke, who falls for Dan Humphrey while they're both students at NYU.

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Kristen Bell

After voicing the mysterious Gossip Girl since the pilot, the blonde beauty appeared in the series finale as an actress auditioning for the fictional movie based on Dan’s novel.

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Lady Gaga

Blair Waldorf got the eccentric singer to perform at NYU during a Season 3 episode.

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Cyndi Lauper

The legendary singer appeared as a surprise guest at Blair's 20th birthday party.

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Elizabeth Hurley

The Brit played shrewd business woman Diana Payne, who had a fling with Nate Archibald.

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Tim Gunn

The Project Runway mentor, who played himself, dismissed Jenny Humphrey from an interview after realizing that her clothes spelled the word "whore."

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Brittany Snow

The actress played the younger version of Lily Van Der Woodsen in a flashback episode.

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Karlie Kloss

The model appeared as a guest during a party held at the Van Der Woodsen residence.

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Rachel Zoe

The designer played herself in a Season 4 episode, during which a chocolate fountain got dumped on her head.

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Krysten Ritter

The actress starred as the younger version of Carol Rhodes, Lily's sister, during a flashback episode.

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Lisa Loeb

The singer appeared as herself in a Season 1 episode before showing up again in the series finale as Rufus Humphrey's new love interest.

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Michael Bloomberg

The former mayor of NYC popped up in the series finale to express his surprise over Gossip Girl's true identity.

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Tyra Banks

The model portrayed actress Ursula Nyquist in an episode of Season 3.

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Ivanka Trump

The heiress appeared as herself in a Season 4 episode.

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Tinsley Mortimer

The socialite made two appearances as herself on the series.

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