PHOTO: Tyra Banks on the 'America's Got Talent' set in Los Angeles, March 25, 2018.
In this Sept. 16, 2015 file photo, Howard Stern attends the "America's Got Talent" finale post-show red carpet in New York.
This Wednesday, Sept. 20, 2017 photo shows Darci Lynne Farmer on "America's Got Talent" in Los Angeles. The 12-year-old girl is getting a $1 million prize and her own Las Vegas show after taking the “America’s Got Talent” crown on the season 12 final
In this Tuesday, Aug. 22, 2017 photo provided by NBC, judges Howie Mandel, Mel B, Heidi Klum and Simon Cowell participate in a live broadcast of "America's Got Talent" in Los Angeles. Mel B threw a cup of water on Cowell and walked off the stage afte
In this March 2017 photo provided by NBC, Brandon Rogers performs during America's Got Talent auditions in Pasadena, Calif. Rogers, a family physician from Portsmouth, Va., earned a standing ovation and a trip through to the next round of the NBC rea
In this undated photo provided by NBC, Mandy Harvey sings during auditions for the show "America's Got Talent" in Pasadena, Calif. Harvey, a deaf singer is moving on to the semifinals of “America’s Got Talent” after delivering a performance that aire
VIDEO: Howie Mandel asks Nick Cannon to 'come back' to 'America's Got Talent'
PHOTO: Comedian, host of "America’s Got Talent," and founder of Ncredible headphones, Nick Cannon makes an appearance on "The Ellen DeGeneres Show" on Jan. 16, 2017.
PHOTO: First lady Michelle Obama, flanked by America's Got Talent co-star Nick Cannon, left, and comedian Seth Meyers meet with a group of Howard University students in Washington, Sept. 1, 2016.
Zac Posen, Heidi Klum, and Tim Gunn attend the "America's Got Talent" post show red carpet at Radio City Music Hall Aug 21, 2013 in New York City.