Joan Smalls shows off her style in sheer bralette as she leaves Max Mara show with Gigi Hadid

Gigi Hadid, Irina Shayk, Joan Smalls & Cindy Bruna walk for BOSS

Gigi Hadid and Irina Shayk rehearse for Max Mara show during Milan Fashion Week

Gigi Hadid Works the Runway During Alberta Ferretti Fashion Show in Milan