Izabel Goulart wears skimpy tie-dye bikini on St Barts beach

Izabel Goulart displays her toned supermodel figure in a two-tone neon swimsuit

Izabel Goulart puts on a jaw-dropping display in rainbow cut-out swimsuit

Brazilian bombshell Izabel Goulart twerks on boat with pals during bikini shoot in St. Barts