Last night (September 22nd) the audience at the iHeartRadio music festival at the MGM Grand Arena in Las Vegas was treated to a big surprise, as the queen of Hip-Hop Soul Mary J. Blige brought out the legend that is Prince during her set.

“I got a real good friend in the building. He’s one of the most amazing artists to ever walk the earth.”said Mary before bringing the iconic artist out stopping her performance of her 1991 cover of Chaka Khan‘s “Sweet Thing”, before restarting with Prince on guitar.

The two then performed a duet of his classic track “Nothing Compares 2 U”, watch the performance below.