I was waiting in a small airport a few years ago and realized that Garrison Keillor was going to be on the same plane! So when I passed him, I ever so casually said, "Hi." This was after I had spent a week at a writer's retreat with Bruce Coville and lots of other well-known writers. I had been sitting with Bruce at the airport and he pointed Garrison out to me.
In the 1990s one of my co-workers was a huge Moody Blues fan and she won some backstage tickets and we got photographs with the band. It was run very quickly. group of four. stand by one of the four band members. picture taken. move along please for the next four. Well, since I also was a local newspaper journalist, I tried to come up with one comment or question for each member as I passed him. And they graciously responded.
(and one summer we went on a Moody Blues field trip and attended four or five concerts, following them from near Washington, DC, to the Taj Mahal casino (where we exited the venue behind Trump's wife, her daughter Tiffany) and on to the venue near Philadelphia. At which point I had to go back home and go back to work. The others followed the band to some other venues.
That was a fun time being groupies.)