Emmy Rossum: 'Shameless' Christmas Carol!

Emmy Rossum gets into the holiday spirit in this Christmas carol to promote the upcoming second season of her Showtime series Shameless.

The song was written by William H. Macy, who also stars on the show and played the ukulele in the clip. Emmy is actually a trained opera singer and starred as Christine in the film version of The Phantom of the Opera.

Also featured in the vid: Justin Chatwin, Cameron Monaghan, Jeremy Allen White, and Shanola Hampton.

Make sure to catch the second season premiere of Shameless on January 8 on Showtime!