Kelly Gale sends temperatures soaring in dark brown bikini on boat trip in St. Barts

Kelly Gale, 26, passionately embraces her fiance Joel Kinnaman, 42, while vacationing in St. Barts

Kelly Gale shows off her jaw-dropping physique in yellow bikini as she enjoys vacation in St. Barths

Kelly Gale sends pulses racing in a blue cutaway dress and denies 'over exercising' to stay slim