‘ET On MTV’ Talks With Justin Timberlake

‘ET On MTV’ spoke with former *NSYNC star Justin Timberlake about his new film ‘Alpha Dog’, in theaters on January 12th, and how he got to show off his many hours in the gym. “That’s what made me sign up, actually, the fact that I got to take my shirt off so much,” Justin joked. “I haven’t told anyone that. You get the scoop on that.”