Jennifer Lopez out for the official start of American Idol Hollywood Week

Ready for his new TV show as glamorous Jennifer Lopez when she went out for "American Idol" Hollywood Week in Los Angeles Tuesday, Dec. 7 "Backup Plan" beauty appeared in a curve-hugging white dress and shades as the film crew taped her wandering into hit FOX show venue. To provide a change in the usual "Idol" schedule, the show is set to be kicked off with a two-night premiere event Wednesday, January 19 and Thursday 20January at 8:00 ET / PT.