Although Sir Elton John has announced that he would no longer tour, the legendary singer still made an appearance onstage as he joined Dua Lipa for a special performance of "Cold Heart" in London on Thursday.

Elton John made a surprise appearance at Dua Lipa's intimate Royal Albert Hall show on Thursday night to duet their hit "Cold Heart." Toward the end of Lipa's set - which included a full orchestra and several costume changes - John emerged from behind a group of back-up singers in a burgundy suit to belt out his verse.

Dua Lipa played a special show at London's Royal Albert Hall last night and took the opportunity to bring out Elton John for a performance of the pair's hit single "Cold Heart." The collaboration came towards the end of Dua's lengthy set,