Michael Buble celebrated his holiday show in New York City this week with one of the biggest pop stars of 2014: Ariana Grande. Michael and Ariana teamed up to sing the Christmas classic "Santa Claus Is Coming To Town," and they performed an amazing, jazzy rendition of the holiday favorite.
Ariana thanked Buble for including her in his special this year on Twitter.
thank u @michaelbuble for having me on your christmas special & for the kind words! u & your band are the greatest! thank u for including me— Ariana Grande (@ArianaGrande) December 18, 2014
"Michael Buble's Christmas In New York" show also included Barbra Streisand, the Rockettes ... and even Miss Piggy!
Watch Michael Buble and Ariana Grande's "Santa Claus Is Coming To Town" duet below:
Photo: Getty Images