its for a party this weekend, not posh, and i have very little money and the only shops i have are new look, dotty p, tesco (lol) and sainsburys (lol) and charity shops. i am size 10, 5'5, fair skin, blonde, dont want anything too short unless with leggings underneath. and not strapless or spaghetti strapped. thank you. budget is £20 loooool. something tells me charity shop would be my best bet!