On Dec. 10, NBC aired the Pentatonix special, Pentatonix: A Not So Silent Night featuring the a cappella sensations and season 3 The Sing-Off winners. On their third holiday special with the network, Pentatonix performed with Las Vegas as a backdrop, making stops along the legendary Strip including the Caesars Palace and the Eiffel Tower at Paris Las Vegas.
The guest list included American Idol OG winner and winning The Voice coach Kelly Clarkson. Backstreet Boys, country singer/songwriter Maren Morris, and illusionists Penn & Teller and more also performed.
In case you missed it, here’s Kelly and Pentatonix performing “My Grown Up Christmas List,” a collaboration from the group’s fourth holiday album, Christmas Is Here, on RCA Records.
Watch Kelly Clarkson and Pentatonix perform “My Grown Up Christmas List” here.