WATCH: Peyton Manning Joins Thomas Rhett Onstage!

Every year Peyton Manning hosts his Celebration of Caring Gala in Indianapolis to raise money for the Children's Hospital at St. Vincent. He always has a great entertainer and usually joins them onstage to sing a song. This year was no exception. Thomas Rhett was the performer and Manning joined him to perform Rhett Akins' hit "That Ain't My Truck." 


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