Keith Urban is prepping for a busy 2024. Not only has he promised new music is on the way, NBC just announced that the country star will join "The Voice" starting April 8 as a mega mentor for the performers who've made it through the battle rounds as they prepare for knockouts. Urban will appear on the hit singing competition alongside its current panel of coaches: Chance the Rapper, Dan + Shay, John Legend and Reba McEntire. Urban has previously appeared on "The Voice" as former coach Blake Shelton's advisor during Season 15. He was also a coach on the series' Australian version for Seasons 1, 10 and 11.