The multi-talented star is addicted to the game and has even had a putting green installed at his Los Angeles home.
But Timberlake has been so busy in 2010 making new movies Friends With Benefits, The Social Network and Bad Teacher he hasn't been able to take to the fairway in months - and it's having a negative affect on his handicap.
Timberlake says, "My game is pretty terrible. You know, it's that old thing. When the work is good, the game suffers. But you work so you can play."
Teeing off in Vegas