Yes, but when it's a parent talking to a little kid, the formal address can mean one of two things: a) they are being funny, in the "look at you being all grow

Yes, but when it's a parent talking to a little kid, the formal address can mean one of two things: a) they are being funny, in the "look at you being all grown up" sort of way; b) the kid's in trouble. Funny how some things are international that way :)