Arian Grande, 21, is absolutely brightening up her Holiday season. During Michael Buble’s holiday special the beautiful singer, sang “Last Christmas” “Christmas in New York” also a stunning duet with Michael of “Santa Claus is Comin to Town”

Ariana proceed to prove that she is absolutely a force to be consider with Michael’s holiday special is celebrating its 4th anniversary current year.

Full of large show and classic hits, all of the singers bang it out of the…