an 'ugly duckling' that has become a beautiful swan [=an ugly/unsuccessful person or thing that has become beautiful/successful]
('informal') That dog of yours is '(as) ugly as sin'. [=very ugly]
The house is an 'ugly duckling', but it has a lot of potential.
(..) Not possible She's going to be Mrs. Noballs So how's the baby styling business going? Not that great. It's... it's almost as if people don't want to hear that their babies are ugly That's shocking Oh, it's Ross Hey, Ross Hello, Ross He's rude (..)2003 TvShow: Friends Title: The One Where Rachel's Sister Babysits Season: 10 Episode 5