Sometimes I'm walking down the street and I gasp cos I've just spied someone famous.

I don't remember their name (cos I'm bad at that stuff) but they're super famous, and here they are casually walking down the street!

Should I go over and say something?
Am I staring a bit too much?
Should I ask for a selfie?

And then it strikes me: they're not an actor. The reason I recognise them is because they're the checkout person at Aldi!