Demi Lovato posted a disturbing picture on her Twitter page, giving fans a sneak peek at her upcoming cameo on Grey’s Anatomy.

The star of Disney’s Sonny with a Chance recently revealed she would be heading to Seattle Grace for a cameo on the hit ABC medical drama.

OK! VIDEO: DEMI & JOE FINALLY GO PUBLIC WITH THEIR RELATIONSHIP

Looks like Demi is branching out from her Disney roots and really diving into this dramatic role!

Demi Lovato April 14

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