After she showed off her spooky Halloween costume on Thursday, Demi Lovato released the video for Let It Go, a song from the soundtrack of Frozen, a day later.

The film focuses on an optimist Anna (voiced by Kristen Bell) who teams up with Kristoff (Jonathan Groff) in a big journey to find Anna's sister Elsa (Idina Menzel). They face uncomfortable icy weather conditions and a snowman named Olaf (Josh Gad).

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Footage from the upcoming animated film (Nov. 27) are shown in the video as the blonde X Factor judge belts the lyrics to the upbeat song. She also plays the piano.

"Let it go, let it go. Can't hold it back anymore. Let it go, let it go. Turn my back and slam the door," she sings. "And here I stand and here I'll stay... The cold never bothered me anyway."

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In the video, the 21-year-old changes from a black outfit to a long white gown. The dress is matched with a black strap on the waist, black nail polish and tons of gold jewelry. Many of her fans had positive things to say about her look and the video.

"You looked so incredibly beautiful demi," tweeted one.

"I love it!!! It's perfect!" wrote another.

The video release comes one day after Lovato showed off her spooky Halloween look via Twitter. The singer posted a photo of herself wearing bloody and dramatic makeup, which made her resemble a zombie.

"This is real, this is me, I'm exactly where I'm supposed to be now," she captioned the picture.

She also posted a video of her Halloween party on Keek. The video showed friends with scary costumes making noises as they stared at the camera. She captioned it, "My Halloween party @philymack office."

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Demi Lovato