Demi Lovato And Miley Cyrus Get Togather (Video): There’s no dancing around this story: Miley and Demi might sing a duet! It seems that Demi Lovato and Miley Cyrus just might put together a music collaboration.  Demi recently said that the two girls have chatted about doing a duo together – perhaps acoustic – adding that it’d be super fun to work with Miley, one of her best friends who just so happens to also be very talented.