Billy Joel celebrated the 100th installment of his monthly residency at Madison Square Garden by bringing out Bruce Springsteen.
"Congratulations Billy on your 100th show," Springsteen yelled. "Ready, Billy?" he asked, as Joel began to play while sitting at the piano.
Springsteen sat atop Joel's piano for part of their performance of "Tenth Avenue Freeze-Out" as the platform that they were both on spun around. He also picked up his guitar and launched into "Born to Run" with the audience joining in while Joel backed him on piano.
Joel launched his historic monthly residency at MSG back in 2014 and recently extended it into 2018. Currently, the venue is offering tickets through December 2018.