Just wondering about people's experiences... Have been invited to a 50's party, and not wanting to spend a lot of money on something i may not wear again... Anyway, I wondered are they fairly true to size? And do you need a netty tutu type undergarment to make it stick out and look pretty? Sorry, I'm sure there's a word for it but it's escaped me at present! Saw a dress for £17 which seems not unreasonable!