Demi Lovato covered fellow pop star Lady Gaga in a BBC Radio 1 performance on Wednesday.

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Lovato, 33, sang a medley of Gaga's songs "Disease" and "Perfect Celebrity."

Both tracks appear on Gaga's Mayhem album, which dropped Sept. 1.

Lovato wore a leather jacket as she held the microphone and belted out the lyrics in the Radio 1 Live Lounge.

Lovato recently released the music video for their new song "Kiss."

Their upcoming album, It's Not that Deep, arrives Friday.