Katy Perry Steps Out Post-Separation With New Blue 'Do (PHOTO)

01/13/2012 11:48 am ET | Updated Mar 14, 2012

Katy Perry was looking a little blue when she posed with a fan on Thursday night. Of course, we're only talking about the "ET" singer's blue hair as she was all smiles amid the announcement that she's split from her husband Russell Brand.

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