Chappell Roan sang at Elton John's Oscars AIDS benefit, singing 'Your Song' and dueting on 'Don't Let the Sun Go Down on Me' and 'Pink Pony Club.'

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.”

What better place to transform to a Pink Pony Club than Elton John's annual Oscars viewing party? On Sunday night, Chappell Roan took the stage for a full concert that included a historic duet with John of his classic "Don't Let the Sun Go Down on Me" and her hit "Pink Pony Club.