That's cool that that happened to you. The only thing that happened to me that was similar was outside of City Center, during Merrily We Roll Along. I was hanging out outside the theatre and Sara Jessica parker and Matthew Brodrick got out of a car. A couple people were saying hello to them, and they responded back nicely. Due to the fact that the audience consisted of a much older crowed, you could tell that they were more likely to be polite rather than being star struck and jumping up and down. Not as interesting as what happened to you. But, still cool though.
"If you try to shag my husband while I am still alive, I will shove the art of motorcycle maintenance up your rancid little Cu**. That's a good dear"
Tom Stoppard's Rock N Roll