Gigi Hadid SI Swimsuit

Celebrate Gigi Hadid's Birthday With a Look Back at Some of her Hottest Sports Illustrated Swimsuit Photos

Even Gigi Hadid can’t keep her cool around Kobe Bryant

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MUST SEE: Gigi Hadid has been starring in gorgeous photos for GUESS since 1999

Gigi Hadid is flawless, even when eating cheeseburgers with Jimmy Fallon

Gigi Hadid salsa dances with a quesadilla—and looks HOT doing it!

Gigi Hadid has the most fabulous (never-ending) 21st birthday party

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MUST SEE: These 10 GIFs show exactly why we’re obsessed with Gigi Hadid

Gigi Hadid gets peed on (but still manages to look great)

Gigi Hadid's Best Moments: SI Swimsuit

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Gigi Hadid 2016: Islands of Tahiti

Gigi Hadid and Irina Shayk heat up the runway at Zoolander 2 premiere

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Gigi Hadid 2015: Kauai, Hawaii

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Gigi Hadid 2014: Jersey Shore

Gigi Hadid has the cutest reaction ever to learning she'll walk in the Victoria's Secret fashion show

Gigi Hadid turns up the heat in South Beach for Seafolly Swimwear

Win the Sauvage bikini pictured on Gigi Hadid in SI Swimsuit 2015!

Gigi Hadid's selfless birthday request proves she has a heart of gold!

Gigi Hadid's Best Moments: SI Swimsuit 2014 & 2015

Enjoy Gigi Hadid's many funny faces in her 2015 outtakes!

Gigi Hadid for Vogue España, March 2015

Gigi Hadid goes retro on the cover of Vogue España

Gigi Hadid, The Daily Front Row's Model of the Year

Gigi Hadid named Daily Front Row's Model of the Year