The rapper and the elder Cyrus joined her for their smash hit "Old Town Road." Lil Nas X sported a Hannah Montana t-shirt to celebrate the occasion, tweeting later that the trip overseas for the festival was "MY FIRST TIME IN ANOTHER COUNTRY!!! INSANE."
Cyrus was also joined by producer Mark Ronson, with whom she collaborated on "Nothing Breaks Like A Heart," for a cover of the Amy Winehouse classic "Back to Black." Ronson produced the track back in 2006.