Kacey Musgraves performed with one of her heroes at the 53rd Annual Country Music Association Awards on Wednesday night in Nashville, Tennessee.

The Grammy Award-winning country star took to the stage to sing "Rainbow Connection," made famous by 1979's "The Muppet Movie," with the legendary Willie Nelson.

Check out their mesmerizing performance:

It was previously announced that the two artists would be performing together at the 2019 CMAs in an exclusive announcement on "Good Morning America."

Musgraves has a unique history with "Rainbow Connection" -- she performed it when she was 9 years old. Check out the adorable clip.

She described the duet as a "A [WILLIE] FULL CIRCLE MOMENT," on her Instagram.

Musgraves and Nelson previously collaborated on her second studio album, 2015's "Pageant Material." The two covered his 1965 hit "Are You Sure."