Paris Hilton shows off her svelte physique in a mismatched red bikini on luxurious yacht in Sardinia

Paris Hilton and fiance Carter Reum enjoy sweet moments of PDA on a yacht in Sardinia

Paris Hilton shows off taut tummy lounging on a luxury catamaran in Corsica

Paris Hilton looks in love with fiancé Carter Reum as they enjoy a vacation in 'paradise'