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

NICOLE & JOEL

Level of sweetness: Your junior high secret admirer
The parents share two pretty special gifts: daughter Harlow, 6, and son Sparrow, 4. So what'd Madden give Richie for her 32nd birthday last September? "I will stop referring to u as my baby mom to all my friends & people I don't know," he quipped to his wife.