Nickelodeon's slaphappy awards show will feature appearances by Will Ferrell and Justin Bieber

If it ain’t broke, don’t fix it, right? EW has learned exclusively that Jack Black will return April 2 to host Nickelodeon’s 2011 Kids’ Choice Awards, the network’s slaphappy show that’s voted on by kids. This is Black’s third time hosting the 90-minute event, which will air live from Los Angeles and feature appearances by Will Ferrell and Justin Bieber. ”Anyone can host something once,” Black tells EW. ”But if they ask you back a second time, that means they liked the way you did it. And if you host a third time, that means the first time wasn’t a fluke, and it means you did good two times. So the third time — well, that’s the real achievement.” For the kiddie network, having Black back is a huge relief: It’s not easy finding a Hollywood star who’s willing to stand in front of 7 million-plus viewers and endure one or two slime showers (previous hosts have included Ben Stiller, Dwayne Johnson, and Justin Timberlake). ”It’s not like hosting the Oscars, where you’re performing for a bunch of adults who’ll laugh and pretend they like it because that’s the polite thing to do,” admits Paula Kaplan, Nick’s head of talent. ”Kids wear their emotions on their sleeves, and if they don’t like it, they’ll tell you. So some adults are fearful of that honesty. Jack is up for anything.” Black — who’s squeezing in the Nick gig while costarring in The Muppets (out Nov. 23) and exec-producing an NBC comedy pilot for fall called My Life as an Experiment — admits that he’s set the bar pretty high for himself. ”You wanna top the last one. I’ve had some pretty dynamic opening numbers,” says Black. ”I don’t mean to toot my own horn, but ‘I Was Made for Sliming You, Baby’? That was one for the ages.”