TV LL Cool J Gears Up for 'Lip Sync Battle's' Epic Star-Studded Premiere By Raphael Chestang 5:18 PM PDT, April 1, 2015 This video is unavailable because we were unable to load a message from our sponsors. If you are using ad-blocking software, please disable it and reload the page. 53:51LL Cool J Gears Up For 'Lip Sync Battle's' Epic Star-Studded Pre…01:42‘NCIS: Los Angeles’: Daniela Ruah Celebrates 13 Seasons on the P…01:50'NCIS’ Cast Teases What’s in Store for Season 19 (Exclusive)02:02Emmys 2021: Cedric the Entertainer Recruits All-Star Line-Up for…02:26Samira Wiley Makes Emmys 2021 a Date Night and Talks ‘The Handma…02:19Watch Brendan Hunt Interrupt Kathryn Hahn’s Interview to Ask ‘Wa…04:11Emmys 2021: Jason Sudeikis Opens Up About ‘Ted Lasso’s 20 Nomina…02:41Catherine Zeta-Jones Explains Why She’s Excited to Play Morticia…02:26Angela Bassett Shares 'Black Panther 2' Update After Letitia Wri…01:54Nick and Vanessa Lachey Say ‘Love Is Blind’ Seasons 2 and 3 Are …01:25Mj Rodriguez on the Importance of Her Emmy Nomination (Exclusive)02:52Tracee Ellis Ross Admits She's Already Crying Over End of 'Black…03:49Emmys 2021: Evan Peters and Julianne Nicholson (Mare of Easttown…04:12Emmys 2021: Lorne Michaels ('SNL') Full Backstage Interview01:41Emmys 2021: Debbie Allen Full Backstage Interview06:10Emmys 2021: Kate Winslet -- Full Backstage Interview04:39Emmys 2021: Brett Goldstein Crashes Hannah Waddingham’s Intervie…03:28Emmys 2021: The Cast of ‘Hamilton’ on Their Big Win and Possible…02:50'90 Day Fiancé': Ceasar Says He's 'Friends’ With Drake (Exclusiv… LL Cool J hosts Spike TV's series Lip Sync Battle, premiering April 2, and the NCIS: Los Angeles star stopped by ET to dish on what viewers can expect. NEWS: Watch Dwayne 'The Rock' Johnson's Amazing Lip Sync to Taylor Swift's 'Shake It Off' "It's really simple," LL said, explaining the concept of the show. "It's two celebrities and the audience decides who lip syncs the best."Inspired by Jimmy Fallon's late-night sketches, contestants have included Justin Bieber, Jennifer Lopez, Mike Tyson, Chrissy Teigen, John Legend, Common, Anna Kendrick and Dwayne "The Rock" Johnson. NEWS: Top 5 Favorite Jimmy Fallon Lip Sync Battles"It's so much fun. So many A-list, great acts came out and just had a ball," LL gushed.While most celebrities were game for the show's shenanigans, LL said a few were hesitant about doing the show."Nobody wants to go on there and look ridiculous," LL said. "But it was a lot of fun."NEWS: Watch Will Ferrell Flawlessly Lip Syncs Beyonce's 'Drunk In Love' Watch the video for a clip of various contestants lip-syncing to one of LL's hits, 1990's "Mama Said Knock You Out."