Barbra Streisand, John Travolta, and Olivia Newton-John: "I'll Be Home For Christmas"
From John and Olivia's new holiday album This Christmas, where all the proceeds are going to charity
Cee Lo Green and Christina Aguilera: "Baby It's Cold Outside"
The Voice stars put out this soulful take on the classic—and yes, we don't get the video either
Christina Perri: "Have Yourself A Merry Little Christmas"
A beauiful cover of Judy Garland's timeless number from the classic, Meet Me in St. Louis. Christina released the single in her holiday album, A Very Merry Perri Christmas, and live verision is avaiable here