One of Elton John's earliest duets was with Kiki Dee on 1976's "Don't Go Breaking My Heart", which was mostly a vehicle to introduce radio listeners to Dee, who was signed to Elton's Rocket Records, a subsidiary of MCA. That label was also home to Neil Sedaka during his 70's comeback.
Aw, don't they make such a cute couple? Of course, back then we had no idea that Elton wasn't really into Kiki. Strangely, this wasn't on any albums at the time, although it was recorded during sessions for the "Blue Moves" album.
Nearly 20 years later, Elton went back and re-recorded the song, this time with RuPaul, for his 1994 "Duets" CD. In between, he had Miss Piggy sit in as a partner on The Muppet Show.
Anyway, here's the 1994 version:
Compare, folks, and let me know what you think.