Demi's rumored boyfriend Wilmer Valderrama was also at the event, but avoided questions about his relationship with the former Disney star and focused more on his love of Sin City. "I love the spas," Wilmer told E! Online. "I love the restaurants. I love the nightlife. The shows have become larger than life and there's really so much to do." (11/10/2011)
2011 Latin Grammy Awards
Demi Lovato, Pitbull, Usher, and others attend the Latin Grammys in Sin City.