Wango Tango 2004 Photos

Ashlee Simpson, the Backstreet Boys, Enrique Iglesias, Fefe Dobson, Haylie Duff, Hilary Duff, *NSYNC star JC Chasez, Janet Jackson, Jessica Simpson, Kimbereley Locke, Maroon 5, Randy Jackson, Ryan Seacrest, William Hung, and Simon Cowell took part in Wango Tango on Saturday (May 15) at the Rose Bowl in Pasadena, California. Check out pictures from GettyImages and FilmMagic.