Teen Choice Awards 2013 Demi Lovato sings Choice Single a Female Heart Attack

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Heart Attack - Demi Lovato

Demi Lovato - Heart Attack - Official Acoustic Music Video - Savannah Outen

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Demi Lovato Performs Heart Attack 1352013

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Demi Lovato Drops The 'Heart Attack' Rock Version - 1breakingnews.com

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'Heart Attack' - Demi Lovato (Sam Tsui & Chrissy Costanza of ATC) by ZiliMusicCompany .