Hollywood Valentines

10 Celeb Tweethearts

See which couples – yes, we're talking about you, Blake and Miranda – push the 140-character limit in matters of the heart

MIRANDA & BLAKE

Level of sweetness: Too much P.D.A. at the park
Here's a Blake Shelton performance for a party of one. Treading TMI territory, the country star Tweeted last February at wife Lambert, "I have a day OFF?!!!!!! What?!!!! Me?!!! This calls for a drink... AND a VERY private concert with @mirandalambert later. Daddy likey...."