#1. "Are those even going to fit you?" - some 50 year old lady at a dept. store when I was purchasing a pair of non-maternity underwear 2 months ago... I said, "Yes, I think they will"... her response, "Are you sure? Did you try them on?"
#2. "Wow, you're the 4th person today I've seen who was knocked up." - a lady at a drive thru
#3. "WHOAAA... you're Huge!!!" -my priest, who is Australian (perhaps a cultural thing?) and does not have much tact with his words sometimes