Looking up in dictionaries I found that bello and bella are related to beauty. Still the noun is
bello: individuo di particolare fascino.
But I've heard it in a context that I would just translate like guy or girl or man. I've heard people who tell unknowns 'grazie bella' or 'grazie bello'.
- Is that normal without even know each other?
- Has there the connotation of beautiful been lost?