Demi Lovato Debuts Heart Attack PART 1 | Interview | On Air with Ryan Seacrest

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Just a day after her highly-anticipated song "Heart Attack" debuted online, Demi Lovato joined Ryan Seacrest in studio to talk about her new track and her future on X-Factor USA.

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Demi Lovato Debuts Heart Attack PART 1 | Interview | On Air with Ryan Seacrest
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