Demi Lovato joined Kelly Clarkson on stage at the Z100 Jingle Ball at Madison Square Garden Friday night (Dec 10) to sing “Have Yourself a Merry Little Christmas”.
Demi is a HUGE Kelly fan! After the performance she tweeted, “I. Just sang. With Kelly. Clarkson. #ahhhhhhh.
Don’t they sound awesome together?
http://www.youtube.com/watch?v=ymJL3YLBfUg&feature=youtu.be
