Miley Cyrus Paid Co-Star to Play Matchmaker with Hemsworth

And the actress/singer admits she enlisted the help of 12-year-old Bobby Coleman, who plays her younger brother in the picture, to woo the Australian actor.

She says, "He is probably one of the most hysterical kids I've met in my life. This kid will do anything for five bucks. I paid him 10 bucks to go ask Liam if he liked me. I sent him back and forth. It was really funny."