Jennifer Lopez, 'NSYNC, the Goo Goo Dolls, and musical couple Jessica Simpson and Nick Lachey have signed on to perform at Nickelodeon's 13th Annual Kids' Choice Awards, which will be broadcast on Saturday, April 15.

The performers join the awards show's previously announced co-hosts, Mandy Moore and L.L. Cool J, while talk show host Rosie O'Donnell will serve as the emcee for the event, being staged at the Hollywood Bowl in Los Angeles.

Other performers and celebrities coming out for the 2000 Kids' Choice Awards include Will Smith, LFO, and the rest of 98 Degrees (see [article id="1431166"]"Will Smith, 98 Degrees, LFO Added To Awards Show"[/article]), along with Robert DeNiro, Mel Gibson, Jamie Foxx, and Melissa Joan Hart.

The 13th Annual Kids' Choice Awards will air on April 15 at 8:00 p.m. (ET/PT)