Prince Carl Philip of Sweden and his fiancée, model Sofia Hellqvist, soaked up the Summer sun with their friends off the coast of Ibiza, Spain, on Monday. The shirtless  royal was all smiles before jumping off the yacht to go snorkeling with his other half, who sported a blue bikini for the group's day on the water. It marked yet another one of Prince Carl Philip's hottest moments , and his name will continue to make headlines as he and Sofia prepare to tie the knot next Summer. The 35-year-old prince is third in line to the Scandinavian throne after his sister Victoria and his adorable niece, Estelle . Take a look at all the sexy, shirtless snaps of Prince Carl Philip's Ibiza outing!