One of the nicest I had was from a girl I was friendly with a few years ago. We weren't friends exactly, she worked at a bar I go to but we used to chat quite a bit and I saw her now and again when she wasn't working. She left the job and moved outside the town where I live and we sort of naturally lost touch. Just one of those things, I suppose.
A few months ago I was out with some friends at a village fete. Who should turn up? The girl I used to know!! I suppose it sort of made sense, she lives nearer to that village now. She didn't know anything about me; we hadn't spoken for so long so she'd have no reason to. I said hi, she recognised me after a moment and simply said:
"Wow, that's quite a transformation. What do I call you now?". I told her, we had a catch up for ten minutes or so and that was about it

. She just didn't care - which was refreshing.
Or from one of my neighbours:
"I saw a girl driving your car the other day, have you got a relative staying?" - I explained and she wasn't bothered. Weirdly her daughter, who I've never really spoken to (only because she's like 13 or 14 and I'm 27 so we're too far apart in age to want to socialise. Previously we've just said hi or waved if passing in the road), was really interested too. I've got to go over there at some point for a proper chat