The Grammy-winning a cappella group and special guests Kelly Clarkson, Backstreet Boys, Penn & Teller, and Maren Morris celebrate the holiday in Las Vegas.
Scott Hoying
as Self
Mitch Grassi
as Self
Kirstin Maldonado
as Self
Kevin Olusola
as Self
Matt Sallee
as Self
Kelly Clarkson
as Self
Maren Morris
as Self
Nick Carter
as Self - Backstreet Boys
Kevin Richardson
as Self - Backstreet Boys
Howie Dorough
as Self - Backstreet Boys
AJ McLean
as Self - Backstreet Boys
Brian Littrell
as Self - Backstreet Boys
