Demi Lovato at the Backstage of Lady Gaga's in "Z100 Jingle Ball

Demi publish this photo on her Twitter and wrote: 'COOL !!!'.

Products of Demi and Lady Gaga that was sold in the "Z100 Jingle Ball 2011"at Madison Square Garden.

And Finally Demi posted a tweet with a picture of Gaga in Z100 Jingle Bell Ball Radio

 

Posted in: DemiLovato,JingleBell,Twitter