for fans to watch the broadcasting of the pre-show. On April 1, Nickelodeon reported the slime was stolen as part of the April Fool's Day joke. As with previous years, voting took place online via the (no longer active) program's official webpage (www.nick.com/kca11) and mobile site (m.nick.com/kca11) beginning on March 7, along with an iPhone/iPad application made specifically for the awards as introduced in the previous year. In addition, the network's Facebook page also allowed voting via the Facebook accounts of 'fans' of the channel for the first time. Presenters and performers, and stunts for KCA 2011 Hosts Jack Black Pre-show hosts: Aaron Fresh, Daniella Monet, Noah Munck, and Jeff Sutphen Presenters Russell Brand Nick Cannon Miranda Cosgrove Rosario Dawson Randy Jackson Joe Jonas Victoria Justice Kim and Kourtney Kardashian Heidi Klum Jane Lynch Taylor Momsen Cory Monteith Keke Palmer Rico Rodriguez Jason Segel Steven Tyler Sofia Vergara Shaun White The Big Show Performers Big Time Rush – "Boyfriend" (feat. Snoop Dogg) The Black Eyed Peas – "I Gotta Feeling" with Jack Black, "The Time (Dirty Bit)", "Just Can't Get Enough" Willow Smith – "21st Century Girl", "Whip My Hair" Victoria Justice – "Beggin' on Your Knees" (pre-show) Train – "Hey, Soul Sister" (pre-show) Announcer Tom Kenny Special appearances Britney Spears only appeared in the skit when she was calling security on Po from Kung Fu Panda. Jim Carrey appeared at the end of the show in a giant hot-air balloon. Po the Panda Bear from Kung Fu Panda (voiced by Jack Black) appeared in the audience at least three times performing in mini-skits with Britney Spears. Blu and Jewel from Rio (voiced by Jesse Eisenberg and Anne Hathaway) appeared backstage at the awards. Nicktoon appearances The following characters (except Po) announce certain unseen awards between commercials. Kung Fu Panda 2 and Kung Fu Panda: Legends of Awesomeness – Po The Penguins of Madagascar – The Penguins and King Julien, announcing Favorite Butt-kicker T.U.F.F. Puppy – Agents Dudley Puppy and Kitty Katswell, announcing Favorite Animated Movie Fairly OddParents – Cosmo, Wanda and Poof (in CGI), announcing Favorite Male Singer Planet Sheen – Sheen and Nesmith, announcing Favorite Book. Rio – Blu and Jewel (not Nicktoons but to promote their movie), announcing Favorite Female Singer Monkey Quest – Monkeys, announcing Favorite Cartoon, Favorite TV Actor, and Favorite Video Game Fanboy & Chum Chum – Fanboy and Chum Chum, announcing Favorite Male