Izabel Goulart flaunts her supermodel figure and pert derrière in a tiny thong bikini

Izabel Goulart shimmers in a silver dress as she leads the stars at LuisaViaRoma's UNICEF benefit

Izabel Goulart flaunts her jaw-dropping figure amid beach trip with fiancé Kevin Trapp in St. Barts

Izabel Goulart gets into Christmas spirit in a red bikini on St. Barts beach with fiance Kevin Trapp