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LOS ANGELES, CA - MARCH 02: Executive producer John Legend attends WGN America's "Underground" World Premiere on March 2, 2016 in Los Angeles, California. (Photo by Charley Gallay/Getty Images for WGN America)

LOS ANGELES, CA - MARCH 02:  Executive producer John Legend attends WGN America's "Underground" World Premiere on March 2, 2016 in Los Angeles, California.  (Photo by Charley Gallay/Getty Images for WGN America)