It's been a surprisingly quiet summer for all the uni-moniker celebrity couples whom we typically obsess over, like Brangelina, TomKat and the not-so-secretly engaged Vaughniston. We guess new babies -- or, in Jen and Vince's case, a new puppy -- will do that to ya. Because of all the nesting, we've had to look elsewhere for our celebrity romance fix this summer. We've searched high and low for the hottest romances in Hollywood, and here's what we've come up with. Behold the hottest celebrity couples of summer 2006...