Cee Lo Green and Jennifer Hudson will join Justin Bieber when the pop sensation brings Christmas spirit to Washington next month.
Together the group will team up with Nickelodeon star Victoria Justice and country trio The Band Perry to perform tunes for US President Barack Obama and other prestigious government officials during TNT's annual TV special Christmas in Washington.
The programme, hosted by funnyman Conan O Brien, will air on 16 Demember with all proceeds from the evening benefiting the Children's National Medical Centre.
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