by Tracy Pepey

It's been quite the newsworthy summer for some of Hollywood's hottest twosomes. From quickie marriages, to secret pregnancies and smokin' hot tub photos — a la Nick Lachey and Vanessa Minnillo — the list of headline-making teams goes on and on. Check out our slideshow of this season's most talked-about couples — and tell us who's hot and who's not.

For more sizzling celebrities, check out Stars in Swimsuits 2007 and Boys of Summer. Plus, visit the Star Snapshots photo gallery for candid photos of your favorite A-listers.