(8 of 8) Hottest CouplesJust in time for summer, we’ve identified celebrity couples so hot they’re sure to make the temperature rise. While some are in the early stages of dating, others are about to make the trip down the aisle. Stay tuned for our future installment—Hollywood’s hottest married couples! Ryan and Rachel Ryan Gosling sweetly holds girlfriend Rachel McAdams during her Academy Awards gig hosting the Science and Technical Awards on Feb. 18.