Share: Title:"Heart Attack" - Demi Lovato (Sam Tsui & Chrissy Costanza of ATC) Duration: 3:54 Plays: 105M views Published: 11 years ago Download MP3 Download MP4 Simillar Videos ▶️ 1:02:15 Most Viewed Kurt Hugo Schneider Covers (ft. Against The Current, Sam Tsui, Christina Grimmie) 105M views • 1 year ago ▶️ 4:24 Just A Dream 105M views • ▶️ 4:30 "just A Dream" By Nelly - Sam Tsui & Christina Grimmie 105M views • 14 years ago ▶️ 3:06 Stay - Zedd Ft. Alessia Cara - Water Bottle Version!!💧 105M views • 7 years ago
