The Kids' Choice Awards on March 23, 2013 was hosted by the biggest kid in Hollywood, Josh Duhamel, and was filled with hilarious slime moments and rocking performances by Kesha, Pitbull, and Christina Aguilera. Mega-stars like Katy Perry, Selena Gomez, Justin Bieber, One Direction, Kristen Stewart, Dwayne Johnson, LeBron James, and Johnny Depp were all awarded top honors during the big show.