iHeartRadio has unveiled a starry rotating lineup for its winter 2022 Jingle Ball tour, including sets by Jack Harlow, Dua Lipa, Backstreet Boys, Demi Lovato, Lizzo and Charlie Puth.

LOUISVILLE, Kentucky (CNN) - When a group of special-needs adults in Louisville, Kentucky, made a video of themselves lip-syncing to a Backstreet Boys song, they expected friends and family would love it. Then Nick Carter of the Backstreet Boys caught wind of the video and retweeted it to all his followers, writing: "I see you guys. GREAT VIDEO!! The Backstreet Boys, who are currently on their "DNA World Tour," called Down Syndrome of Louisville to ask if the lip-sync stars would like to attend their show on Friday at KFC Yum! Before the concert on Friday, Down Syndrome of Louisville gathered for a Backstreet Boys dance party.