War is over if you want it.

Miley has done a special Christmas collaboration with producer Mark Ronson and Sean Ono Lennon, son of the song's creators John Lennon and Yoko Ono.

She announced the collab on Fallon Tonight;

.@MileyCyrus announces that she is releasing a special collaboration with @MarkRonson and @SeanOnoLennon at midnight tonight! #FallonTonight pic.twitter.com/UNd469XPWx

— Fallon Tonight (@FallonTonight) December 14, 2018