Listen to Amazing Demi Lovato and Taylor Swift Mashup

April 21, 2013 9:12 pm

The only thing better than Demi Lovato and Taylor Swift is a mashup of the two.

Demi Lovato Releases ‘Heart Attack’ Music Video

Demi’s “Heart Attack” and Taylor’s “I Knew You Were Trouble” have been combined to create a brand new song, “I Knew You Had a Heart Attack” – and they sound perfect together!

What do you think of the mashup?