VIDEO : Zayn Malik gets protective of girlfriend Gigi Hadid at release party

Gigi Hadid and Zayn Malik stepped out for another rare couple's appearance ! The 20-year-old model and 23-year-old former One Direction member mobbed by a crowd of fans as they left her apartment earlier that day. Malik was seen clutching her wrist and leading her gently. The couple later changed outfits for the album release party at the iHeartRadio studios. The two hung out backstage for about 45 minutes until he began his performance.Malik sang less than a handful of songs before the screaming crowd. Gigi watched the gig from a VIP area. She appeared to be in great spirits and sang along to all the tracks Malik performed.