They have performed the song together in the past, but this could possibly be the best that we've ever seen of Dolly and Miley on one stage.
Take a look at it here:
The performance was part of a tribute to Dolly Parton that included Kacey Musgraves, Katy Perry, Maren Morris, and Little Big Town.
The group performed most of Dolly Parton's hits including 'Here You Come Again' and 'Nine To Five.'
What an incredible performance!