(7 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! Rachel and Adam Rachel Bilson and Adam Brody can’t keep their hands off each other at the after-party for the Marc Jacobs fall 2006 fashion show on Feb. 6.