Elton John has posted a fan-selected playlist of his greatest collaborations on his official YouTube page.
5. A live take with Lady Gaga on "Don’t Let the Sun Go Down on Me"
4. His number-one single with Kiki Dee, "Don't Go Breaking My Heart."
3. "Wrap Her Up" with George Michael
2. "If It Wasn't for Bad" with Leon Russell
1. John Lennon with Elton onstage at Madison Square Garden in New York for "Whatever Gets You Through the Night."