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


Level of sweetness: Serenading your significant other with your acoustic guitar
Now, this is how your harmonize on the internet! "I won't write this in a song because it would be cheesy," Pink gushed on Twitter in August of Hart, whom she wed in 2006. "But my husband is really good to me."