Demi Lovato Previews ‘Mortal Instruments’ Track ‘Heart By Heart': Listen Now!

Before the soundtrack officially drops on August 20, Demi is giving fans an early taste of her sultry new ballad.

Demi Lovato doesn’t wear her heart just on her sleeve, but also in her music. Following the chart-topping success of 2012’s “Give Your Heart A Break” and this year’s “Heart Attack,” Demi is once again singing about love on her “The Mortal Instruments: City of Bones” track, “Heart By Heart.”

The singer gave fans an early taste of the sultry ballad on Wednesday (July 3) with a minute-long preview posted online.

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