8 Signs It's Crazy, Stupid, Hollywood Love

From playing house to co-parenting furbabies, see how committed these star couples are to being head over heels for each other

7. TWEET THEIR AFFECTIONS

Discreet couple Nina Dobrev and Ian Somerhalder are nothing but professional while promoting their show, The Vampire Diaries, but their Twitter feeds tell a different story. "Congratulations Nina!!!" Somerhalder wrote on January 11 after Dobrev took home a People's Choice Award. "You rock babe, truly."