3:36 Demi Lovato - Heart Attack (Official Video) 3:59 Demi Lovato - Heart Attack (Rock Version) (Lyric Video) 0:15 HARDEST VOCAL CHALLENGE! - HEART ATTACK BY DEMI LOVATO 3:45 Demi Lovato - Heart Attack (Demi Live in Brazil) 5:46 Demi Lovato - Heart Attack (Future Sunsets / David Michael Frank Cover) 3:45 Demi Lovato “Heart Attack (Rock Version)” Live on the Stern Show 4:18 Demi Lovato - \"Heart Attack\" / \"Sorry Not Sorry\" / \"Cool For The Summer\" | 2023 VMAs 0:21 Demi Lovato - Heart Attack #shorts 0:37 HEART ATTACK DEMI LOVATO HIGH NOTE CHALLENGE🎶✨ 0:27 Heart Attack High Note Challenge 🤯🔥 3:28 Demi Lovato - Heart Attack (Lyrics) 0:11 This Heart Attack Moment at the Stairs 1:51 Demi Lovato - HEART ATTACK (Kryd Hoodtrap / Mylancore Remix) 0:55 Why Demi Lovato’s Heart Attack Was Almost VERY Different 0:41 #pov : the nerds backup singer in the popular girls band who uses autotune but the nerd gets her 0:15 Demi Lovato breathes NEW G5 in Heart Attack (2023) #demilovato #music #highnote #singing #vocals 0:13 Heart Attack - Live Performance 😱 #heartattack #liveperformence #livestageperformance 0:24 Help Avoid Stroke and Heart Attack! Dr. Mandell 0:08 HEART ATTACK OR WISDOM TEETH??