Popsugar Fashion Gigi Hadid Celebrity Style at Gigi Hadid's 21st Birthday Party Gigi Hadid's Birthday Party Didn't Have a Theme — but It Definitely Had a Dress Code May 1, 2016 by Samantha Sutton View On One Page Photo 1 of 6 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 1 Hailey Baldwin Wore a White Choker With a sheer dress. Previous Next Start Slideshow Gigi HadidCelebrity Street Style