Luke Bryan and Lionel Richie compete against Carrie Underwood and Jimmy as they try to guess random songs The Roots are playing one instrument at a time, like Billie Eilish's "BIRDS OF A FEATHER."

Carrie Underwood took some criticism from Lionel Richie on Good Morning America Wednesday when he called her "too nice" on American Idol. The country superstar looked surprised as Richie joked about her always defending contestants.