Sir Elton John turned 70 years young over the weekend, celebrating with an over-the-top, star-filled birthday in Los Angeles on Saturday night. For the occasion, Stevie Wonder teamed up with Lady Gaga to sing a version of Wonder’s “Happy Birthday” from 1980’s Hotter Than July.

According to People, the birthday party also served as a 50th anniversary celebration of Elton John’s partnership with songwriter Bernie Taupin, benefitting the Elton John Foundation and the Hammer Museum at UCLA.

In addition to the occasion-appropriated “Happy Birthday” duet, Lady Gaga performed a few songs at the piano, including “Bad Romance” and “Born This Way.” Ryan Adams also took the opportunity to perform “Rocket Man.”

Watch Lady Gaga and Stevie Wonder perform “Happy Birthday” for Elton John below, courtesy of YouTube user Gaga’s Videos:

Watch a clip of Ryan Adams perform “Rocket Man” acoustically, courtesy of Instagram user @lhyatt:

#ryanadams singing rocket man, does it get much better? #happybirthdayelton

A post shared by laura hyatt (@lhyatt) on

[H/T Rolling Stone]