03/18/2010 05:12 am ET | Updated May 25, 2011

Katy Perry, Sexy Santa (PHOTO)

Katy Perry showed fans that she's in the holiday spirit.

The "I Kissed A Girl" singer and avid tweeter updated her profile photo on her Twitter profile to one of her, seemingly topless, wearing a Santa hat and a string of Christmas tree lights.

Perry is currently dating British comedian Russell Brand.