LOS ANGELES, CA - MARCH 11: Singer-songwriter Demi Lovato gets slimed onstage at the Nickelodeon's 2017 Kids' Choice Awards at USC Galen Center on March 11, 2017 in Los Angeles, California. (Photo by Tommaso Boddi/WireImage)

LOS ANGELES, CA - MARCH 11:  Singer-songwriter Demi Lovato gets slimed onstage at the Nickelodeon's 2017 Kids' Choice Awards at USC Galen Center on March 11, 2017 in Los Angeles, California.  (Photo by Tommaso Boddi/WireImage)