Singers Kelly Clarkson, left, and Demi Lovato perform together at Z100's Jingle Ball concert at Madison Square…
[New York, New York, December 10: Katy Perry synthesizes two different looks and hides behind her mustache at Z100's …
Singers Kelly Clarkson, left, and Demi Lovato perform together at Z100's Jingle Ball concert at Madison Square…
[New York, New York, December 10: Katy Perry synthesizes two different looks and hides behind her mustache at Z100's …
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