Demi Lovato's team clarified why the singer decided to perform "Heart Attack" at an American Health Association event.

Demi Lovato is clearing up any confusion as to why she decided to sing “Heart Attack” at an American Heart Association event.

To celebrate the 10th anniversary of "Heart Attack," Demi Lovato officially released a rock version of the beloved track.

Slaven Vlasic/Getty Images Demi Lovato performed her song “Heart Attack” for a room full of heart attack survivors — and some audience members were not impressed. Lovato, 31, was the ...

Demi Lovato had fans cringing after a video of her singing her 2013 song “Heart Attack” at an American Heart Association (AHA) event this week circulated on social media.

In honor of the tenth anniversary of her 2013 song, “Heart Attack,” Demi Lovato has dropped a new “Rock Version” of the track — putting her current vibe on the previously upbeat pop ...

Demi Lovato has recorded a rock version of her 2013 hit "Heart Attack," which they debuted on the HOLY FVCK tour. Listen to it now.

Demi Lovato is "a metalhead at heart". The 32-year-old singer - who started her career as a child star on 'Barney and Friends' before rising to fame on the Disney Channel - embraced a rock sound ...

Demi Lovato seems to be teases new music after wiping her Instagram clean in all but two posts, one of which is the snippet to what appears to be a music video.

The Demi Lovato documentary on Hulu, Child Star, includes a tense scene between Lovato and Camp Rock star Alyson Stoner.

Singer Demi Lovato faced some backlash on social media after she performed her 2013 hit song "Heart Attack" at an AHA cardiovascular health event.

A rep for Demi Lovato defended the singer’s decision to perform her 2013 song "Heart Attack" at an American Heart Association charity event. Find out why she picked the tune.