I did a Poptarts commercial with Jordin Sparks when i was a kid and got to hang out with her a few times. That's pretty much it for long term celebrity meetings.
Forgot i met Mandy Moore somewhere in 2003 as well.
I had a classmate who was/is cousins with the late and legendary Selena (Quintanilla). Oh and my mom was at a Selena concert a long time ago when Selena was very young touring around south Texas.
Went to the same school with an actor from Hollyoaks and a local Rugby star and a football player that played for Manchester City at one point . Received a.... from someone in a London based band .
My Grandma met the Olsen Twins either before or just as they were getting famous (as babies) she has a pic she gave to my sister. thats it
oh and my friends Dad taught some famous actor how to fly-fish