3:36   Demi Lovato - Heart Attack (Official Video) 3:30   Demi Lovato - Heart Attack (Lyrics) 3:34   Demi Lovato - Heart Attack (Live On Dick Clark’s New Year’s Rockin’ Eve With Ryan Seacrest 2026) 3:45   Demi Lovato - Heart Attack (Demi Live in Brazil) 3:59   Demi Lovato - Heart Attack (Rock Version) (Lyric Video) 3:32   Demi Lovato - Heart Attack (Official Audio) 3:45   Demi Lovato “Heart Attack (Rock Version)” Live on the Stern Show 3:36   Demi Lovato - Heart Attack (Lyrics) 3:00   Demi Lovato - Heart Attack - (Speed up + Reverb) 0:55   Heart attack - Demi Lovato [Edit Audio] (Use Headphones 🎧) 3:49   Demi Lovato - Heart Attack (Live On Honda Civic Tour: Future Now) 3:29   \"Heart Attack\" - Demi Lovato (Sam Tsui & Against The Current) 3:54   \"Heart Attack\" - Demi Lovato (Sam Tsui & Chrissy Costanza of ATC) 3:12   Heart attack - Demi Lovato (speed up + reverb) + (lyrics) 3:31   Demi Lovato - Heart Attack (Lyrics) 3:03   Nightcore - Heart Attack (Lyrics) (Demi Lovato) 4:18   Demi Lovato - \"Heart Attack\" / \"Sorry Not Sorry\" / \"Cool For The Summer\" | 2023 VMAs 3:33   Demi Lovato, David Michael Frank (Future Sunsets) - Heart Attack (Vocal/MV mix) 3:52   Demi Lovato - Heart Attack (Karaoke Version) 1:51   Demi Lovato - HEART ATTACK (Kryd Hoodtrap / Mylancore Remix)