'United We Sing' Grammy Tribute To Frontline Workers Airs Tonight - See The Full Performance Lineup Here!

United We Sing: A GRAMMY Salute To The Unsung Heroes is premiering tonight, June 21, on CBS and JustJared.com has the full celebrity and performer lineup! Hosted by Harry Connick, Jr. and his daughter, Georgia, the special will follow them as they take a road trip in an RV to thank and celebrate essential workers