Demi Lovato has premiered her latest tune 'Let It Go'.

The singer recorded a version of the song for the soundtrack to new animated Disney film Frozen, which will hit cinemas from November 27.

The track, which will be sung in the film by Broadway's Idina Menzel, has been given a pop makeover by Lovato.

It will feature on the soundtrack for Frozen, which will be available to buy from November 25.

Fans who pre-order the album, however, can get a download of Lovato's 'Let It Go' early.

Frozen, which is loosely based on the Snow Queen fairy tale, stars the likes of voice actors Kristen Bell and Josh Gad.

Lovato meanwhile is due to head out on her Neon Lights tour of North America in February and March next year, with Little Mix, Cher Lloyd and Fifth Harmony all set to support.