Justin Bieber

Justin Bieber and Cee-Lo Green lined up for 'Christmas In Washington' show

Justin Bieber and Cee-Lo Green lined up for 'Christmas In Washington' showCanadian pop singer Justin Bieber, as well as The Voice judge and R&B crooner Cee-Lo Green have been announced as performers at the TNT's special show "Christmas In Washington", airing next month on December 16th. They'll be joining others artists like Jennifer Hudson, Victoria Justice, and The Band Perry.

The 30th annual Christmas show will be hosted by TBS personality Conan O'Brien, in Washington D.C. and will be filmed on December 11th along with President Barack Obama and First Lady Michelle Obama, and others.

As for Bieber and Cee-Lo looks like they'll be pretty busy this holiday, both were lined up to perform on NBC's show "Christmas in Rockfeller Center" where also will attend Tony Bennett, Michael Buble, Faith Hill amongst others. The NBC's show will air on November 30th.

Bieber already entertained many shows with his newly released Christmas album Under The Mistletoe, and the performance at the MTV EMAs on November 6th makes no exception.