Demi Lovato - Heart Attack (Manhattan Clique Remix) (Official Audio)

Demi Lovato - Heart Attack (The Alias Club Remix) (Official Audio)

Demi Lovato - Heart Attack (Deejay Theory Remix) (Official Audio)

Demi Lovato - Heart Attack (The Alias Club Remix) (Official Audio)

Demi Lovato - Heart Attack (White Sea Remix) (Official Audio)

Demi Lovato - Heart Attack (White Sea Remix) (Official Audio)

Demi Lovato - Heart Attack (Belanger Remix) (Official Audio)

Demi Lovato - Heart Attack (Belanger Remix) (Official Audio)

Demi Lovato - Heart Attack (White Sea Acapella Remix) (Official Audio)

Demi Lovato - Heart Attack (White Sea Acapella Remix) (Official Audio)

Demi Lovato - Heart Attack (Official Video)

Demi Lovato - Heart Attack (Official Video)

Demi Lovato - VEVO Stylized

Demi Lovato - VEVO Stylized

Demi Lovato - Heart Attack (Official Lyric Video)

Demi Lovato - Heart Attack (Official Audio)

Demi Lovato - Heart Attack (Official Audio)

Demi Lovato - Angels Among Us

Demi Lovato - Angels Among Us

Demi Lovato - Give Your Heart a Break – On The Road In Brazil