Miley Cyrus by Gregg DeGuire/ Miley Cyrus by Gregg DeGuire/

Miley Cyrus, who is perhaps the hardest-working teen in show business, and the Naked Brothers Band will perform at Nickelodeon's 2008 Kids' Choice Awards, to be broadcast March 29 at 8 pm/ET. Other stars slated to appear at the kudosfest for the Clearasil set include Steve Carell, Indiana Jones 4's Shia LaBeouf and Harrison Ford, Heidi Klum, Drake Bell and Josh Peck, Hayden Panettiere, America Ferrera, Amy Poehler, Jennifer Love Hewitt, Howie Mandel and - because it's never a party without him - Ryan Seacrest.