Stevie Nicks Shocks 'School of Rock' Audience With Surprise Performance

Nicks, 67, performed her hit song "Rhiannon" on Tuesday night.

On Tuesday night, Nicks appeared on stage after a "School of Rock" show at the Winter Garden Theatre in New York to perform her hit "Rhiannon" with the actors.

The 67-year-old singer praised the young musicians for their incredible talent and their ability to rock and roll as well as veteran musicians.

Backstage, Nicks had even more praise to give the child performers, saying it was "fantastic" to play with the young stars.

"I have Fleetwood Mac, and then I have my solo band that I've been playing with since 1980, and now I have one more fantastic band to add to my roster, so I'm very happy," Nicks said.

Watch Nicks' "Rhiannon" performance below: