Gigi Hadid: 'Sports Illustrated' Miami Party

Gigi Hadid shows off her slim figure while attending the Club Sports Illustrated Swimsuit Party held at LIV Nightclub at the Fontainebleau Miami on Wednesday night (February 19) in Miami Beach, Fla.

The 18-year-old model is nominated for the magazine’s “Rookie of the Year” honor.

PHOTOS: Check out the latest pics of Gigi Hadid

“MIAMI! Come watch @SI_Swimsuit models play celeb chefs in a volleyball tournament! Ocean Dr (b/w 7th & 8th) – 12-3pm,” she tweeted.

The night before, Gigi and her boyfriend Cody Simpson stepped out on the red carpet together at the Sports Illustrated Swimsuit 50 Years of Swim in NYC Celebration in New York City.