Cher belted “If I Could Turn Back Time.” Lady Gaga performed her hit “Shallow.” Miley Cyrus sang “Flowers” and Lauryn Hill delighted the crowd with “Killing Me Softly.”

"SNL50: The Homecoming Concert" romped at Radio City Music Hall Friday. Inside the musical bash featuring Cher, Lady Gaga, Nirvana and many more.

One-time-only collaborations included Bonnie Raitt and Chris Martin. Arcade Fire, David Byrne, Post Malone and Nirvana.

Cher was among the performers who took the stage at Radio City Hall for the “SNL50: Homecoming Concert”, transporting the crowd back to 1989 with a rendition of her hit “If I Could Turn Back Time.” The 78-year-old icon wore the same sexy outfit — a see-through black bodysuit — that she did in the famed music video filmed 36 years ago.

The Homecoming Concert with a costume hearkening back to her original music video wardrobe from the 1989 single. The song was controversial at the time. The music video was shot on board the battleship USS Missouri and portrays Cher performing for the ship’s crew,

That’s a question you might ask based on the newly announced additions to The Homecoming Concert lineup. On one hand, you’ve got someone like Dave Grohl, who has reached definite “friend of the show” status.