Gigi Hadid Dances The Night Away With Bella Hadid & Taylor Swift At Denim-Themed 24th Birthday Bash!

Happy birthday, Gigi Hadid! The 24-year-old supermodel kicked off her “G-Day” celebrations on Monday night at L’Avenue in New York City by hosting a star-studded bash for her closest friends and family, including sister Bella Hadid, Olivia Culpo and Taylor Swift!