Celebrities Celebrate Another Year Of Gigi Hadid: T. Swift, The Kardashians & More!
April 29 2016, Updated 3:54 p.m. ET
Gigi Hadid has finally turned 21! The supermodel celebrated in style at The Nice Guy club, surrounded by plenty of celebrity friends — see the photos!
Khloe, Kourtney, and Kylie head into Gigi’s 21st Birthday party at The Nice Guy
Kourtney Kardashian made sure to show off her cleavage for the affair.
Kendall Jenner and Kylie Jenner leave The Nice Guy Club after celebrating Gigi Hadid’s 21st birthday party in West Hollywood
Meanwhile, Kendall and Kylie Jenner opted to display their midriffs instead.
Kourtney Kardashian and Khloe Kardashian leave The Nice Guy
Sisters stick together! Khloe Kardashian went with an even deeper V-neck.
Khloe, Kourtney, and Kylie head into Gigi’s 21st Birthday party at The Nice Guy
The 31-year-old got leggy as well.
Naomi Campbell and Lenny Kravitz have a blast at Gigi Hadid’s 21st Birthday
Naomi Campbell and Lenny Kravitz were all smiles for their arrival.
Ashlee Simpson and Evan Ross hold hands at Gigi Hadid’s Birthday Bash
Ashlee Simpson and Evan Ross held hands and kept their heads down.
Mohamed Hadid arrives to his daughter’s birthday bash at The Nice Guy
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Gigi's dad, Mohamed Hadid, was there too!
Hailey Baldwin wears revealing sheer mesh dress to Gigi Hadid’s Birthday
Hailey Baldwin wore a slinky mesh dress that left little of her fit figure to the imagination.
Kendall Jenner and birthday girl Gigi Hadid hold hands at The Nice Guy
Besties! Gigi held onto fellow supermodel Kendall as they made their way inside.
Taylor Swift sparkles as she arrives at Gigi Hadid’s 21st Birthday Party
Taylor Swift styled her blonder 'do in flapper fashion for the evening, a perfect compliment to her glittery dress.
Kendall and Kylie Jenner turn heads at Gigi Hadid’s 21st Birthday Bash
Apparently holding hands is the new thing!
Gigi Hadid Arrives to Her 21st Birthday Party at Nice Guy
Gigi kept it casual for the evening, donning a silky tank top with shorts and high boots..
Gigi Hadid leaves 21st birthday party at The Nice Guy in Zayn Malik’s arms
The star left the party in boyfriend Zayn Malik's arms — oh my!
These stars love their photo booths!
The evening seemed to be a raucous event, as Kylie captured Kendall looking tired out at the end of the night.