Pop icon Chappell Roan performed alongside legendary singer Elton John during his Elton John AIDS Foundation Academy Award viewing party on Sunday. John, 77, and Roan, 27, sang John's song "Don't Let the Sun Go Down on Me,

Chappell Roan performed alongside Elton John and gifted him his own "Pink Pony Club" cowboy hat, plus more highlights from her set.

The Missouri native won two Brit Awards on Saturday then sang two duets with John on Sunday, in front of her parents, at his Oscars party in L.A. John called it “nothing short of magical.”