30/04/2016 2:19 AM AEST

Celebs Wore The Wildest Outfits To Gigi Hadid's 21st Birthday Party

Are you surprised? It's Taylor Swift and assorted Kardashian-Jenners.

If you follow style news and the social media stars who make it, chances are you're aware that fashion sweetheart Gigi Hadid turned 21 on April 23.

Hadid counts Kendall Jenner and Taylor Swift as best friends (to name a few), so surprise, surprise: Her birthday party in Los Angeles Thursday night was not only star-studded, it was beautifully and outrageously dressed. 

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Beautiful besties. 

The birthday girl arrived with Jenner in tow, wearing a silk tank, white shorts, more than one choker and a pair of wonderfully intricate, thigh high, lace up boots. For her part, Jenner wore a bralette beneath a black and gold oversized Naeem Khan jacket and pants. 

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Yes, that really is Taylor Swift. 

Taylor Swift, still rocking her new 'do, gave us a taste of BBBT (before bleached blonde Taylor) in a sparkly one-shoulder gown. Hailey Baldwin attended in a sheer nude look, Kourtney and Khloe Kardashian wore plunging jumpsuits, Jaden Smith showed up in that hat and Kylie Jenner wore -- you guessed it! -- a white crop top. 

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Hailey Baldwin
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Jaden Smith

Of course, no "it girl" birthday party would be complete without a photo booth. The fashion elite posed as they know best for snaps captured on Swift, Kourtney Kardashian and Lily Aldridge's Instagram accounts.  


A photo posted by Lily Aldridge (@lilyaldridge) on

Happy birthday, Gigi! 

Photo gallery Gigi Hadid See Gallery