Michael Buble & Ariana Grande Duet Performance of 'Santa Claus Is Coming to Town' from NBC Christmas Special 2014, Watch Here (VIDEO)

Michael Buble's "Christmas In New York" special aired on NBC Wednesday night (Dec 18) and it was a night full of special guests. Backed by a full jazz band, Buble' ushered his friends on stage to sing a Christmas song with him. 

Ariana Grande was one of those special guests. She first came out solo to sing "Last Christmas" then Michael joined her on the stage to sing "Santa Claus Is Coming To Town". Grande even brought out a red jumpsuit for the duet performance. You can watch the performances above. 

"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" - (@arianagrande) Ariana tweeted after the performance. 

Ariana Grande released her own original Christmas song titled, "Santa Tell Me" last month and the official music video followed last week. Grande released her sophomore album, My Everything, on August 25. 

Bublé, hailing from Canada, has won several awards, including four Grammys. His first album reached the top ten in Canada and the UK. He found a worldwide audience with his 2005 album It's Time, and his 2007 album Call Me Irresponsible which reached number one on the Canadian Albums Chart, the UK Albums Chart, the U.S. Billboard 200 albums chart, the Australian ARIA Albums Chart and several European charts.

His 2011 holiday album, titled Christmas, was in first place on the Billboard 200 for the final four weeks of 2011 and the first week of 2012, totaling five weeks atop the chart, it also made the Top 5 in the United Kingdom. With this, Christmas became his third-consecutive number-one album on the chart.