On April 2 American singer-songwriter Demi Lovato performed her single ``Heart Attack'' live on the ABC reality competition show, ``Dancing with the Stars''.
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Demi Lovato performs 'Heart Attack' live on 'Dancing with the Stars'
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Demi Lovato enjoys wild night out with friends
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Alicia Keys' 'Try Sleeping with a Broken Heart' music video
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Hope Solo performs 'Seasons Of Love' on 'Dancing'
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Demi Lovato slams TV and movie industry
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Joe Jonas is proud of Demi Lovato
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Demi Lovato could be home by Thanksgiving
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Nicole Scherzinger wins 'Dancing with the Stars'
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Autistic singing sensation makes live debut
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Swift, Bieber, Mars to perform at Billboard Awards
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Niall Horan crushing on Demi Lovato?
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Demi Lovato got Punk'd
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Michael Bolton kicked off 'Dancing with the Stars'
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Alicia Keys performs on the today show
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Courtney Stodden: ``my heart bursts out of my boobs''
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Watch Lana Del Rey perform ``Carmen'' live for first time
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Demi Lovato and Joe Jonas are best friends