Cher

He also shot career-changing music videos for Aerosmith, Heart and Cher.

In between all the talking, there was some rocking.

"It was easier getting divorced from two men than it was to get into the Rock & Roll Hall of Fame," she joked.

The two singers joined forces for a rendition of "Believe."

Rock's biggest stars turn up for the big event - and they all got to hug Flavor Flav.

Kool & the Gang and Dave Matthews was also in attendance at the pre-Hall of Fame event.

Singer had been fighting to regain her 50% stake in the Sonny & Cher catalog.

She previously blasted the Hall of Fame and told them to "go you-know-what themselves."

There also seemed to be one band many thought shouldn't be there.

Some rock star marriages are over and done with in the blink of an eye, while others continue for decades on decades.