Watch Justin Bieber singing his hit "Under the Mistletoe" at the Christmas in Washington concert, where he also got to sing with the president and his family.

He also sings "Away in a Manger" and "Hark! The Herald Angels Sing."

Do you like his white suit? Also, click here to see more performances from the event (like Jennifer Hudson, Victoria Justice, and the Band Perry).

Just a few more days to go until Christmas!

Source: Ace Showbiz