Ariana Grande and Big Sean sing Best Mistake at A Very GRAMMY Christmas

Aired recently on the CBS, the Christmas special "A Very GRAMMY Christmas" recorded in November at the Shrine Auditorium in Los Angeles.

Ariana Grande attended the event and took the stage alongside her boyfriend Big Sean to do the live performance of "Best Mistake". Collaboration is included on her second studio album, "My Everything".

She also performed her new Christmas song, "Tell Me Santa".

The event line up has also featured the musical acts such as Maroon 5, Pharrell Williams, Sam Smith and many other artists.

Check out the performances below: