3:25 Demi Lovato - Heart Attack (CHXBB Remix) 3:19 Heart Attack - Demi Lovato Tiktok version 3:59 Demi Lovato - Heart Attack (Rock Version) (Lyric Video) 5:17 Demi Lovato - Heart Attack (The Alias Club Remix) 3:23 Demi Lovato - Heart Attack (Сold Suhou Hardstyle) [Sped Up] 3:36 Demi Lovato - Heart Attack (Official Video) 3:30 Demi Lovato - Heart Attack (Lyrics) 3:54 \"Heart Attack\" - Demi Lovato (Sam Tsui & Chrissy Costanza of ATC) 3:57 Demi Lovato - Heart Attack (DJ Kutty Remix) 3:10 Heart Attack | Demi Lovato | (Speed up + Reverb) 4:38 Demi Lovato - Heart Attack Dubstep REMIX (Battery Remix) 3:00 Demi Lovato - Heart Attack - (Speed up + Reverb) 1:13 Demi Lovato-Heart Attack (Edit Audio)V2 10:01 Demi Lovato • Megamix 2012 3:56 Demi Lovato - Heart Attack (Britain's Got Talent 2013) 3:16 Demi Lovato - Heart Attack | Nightcore w/Lyrics 3:12 Demi Lovato - Heart Attack (AROS Remix) (Tropical House) 5:11 Demi Lovato - Heart Attack (Manhattan Clique Remix) 3:32 🌟Demi Lovato - Heart Attack (Ravi Remix)🎧 [No Copyright Music]🌟 4:40 Demi Lovato - Heart Attack (Deejay Theory Remix) 3:36 Demi Lovato - Heart Attack (Lyrics) 4:06 Demi Lovato - Heart Attack (Belanger Remix) 3:10 Demi Lovato - Heart Attack (The Alias Remix) (Matt Nevin Video Edit) 0:55 Heart attack - Demi Lovato [Edit Audio] (Use Headphones 🎧) 3:09 Demi Lovato - Heart Attack (Remix) 3:43 Demi Lovato - Heart Attack (White Sea Remix) 3:30 Demi Lovato - Heart Attack (Lyrics)