NEW YORK, NY - JUNE 15: Usher performs onstage at the Songwriters Hall Of Fame 48th Annual Induction and Awards at New York Marriott Marquis Hotel on June 15, 2017 in New York City. (Photo by Theo Wargo/Getty Images for Songwriters Hall Of Fame)

James Corden claimed to be the “sexiest male vocalist alive” and Usher came out to prove him wrong.

Watch James Corden, Usher and Luke Evans discuss nicknames and find out how Usher ended up with the stage name “Cha Cha” when he was a kid…