Jeff Goldblum/Kimberley Locke/Emma Roberts

From the new film ""The Life Aquatic,"" actor JEFF GOLDBLUM. Former ""American Idol"" star KIMBERLEY LOCKE performs ""You've Changed"" from her CD ""One Love."" And, the star of the new Nickelodeon show ""Unfabulous,"" 13 year-old actress EMMA ROBERTS.