Reba McEntire will take a seat in one of the red chairs as a coach for Season 24 of NBC’s Emmy Award- winning musical competition series “The Voice” airing this fall. The country superstar, multimedia entertainment mogul and Country Music Hall of Fame inductee, who served as a mentor in Season 23, will join returning coaches John Legend, Niall Horan and Gwen Stefani.The announcement was made during NBC’s upfront presentation to advertisers on Monday.“The Voice” is a presentation of MGM Television, Warner Bros.