Sexy Halloween costume, but NOT slutty 20 year old?

My roommate and I are students going to Halloween parties research and ideas that meet these requirements Halloween "sexy but not slutty! (and not only as a "slutty nurse!" or something!)-Economic to create -Clever/unique For example, last year was "a gift from God to men" if I'm in a pool of assets paper dress with a ribbon in her hair, and Tessie single base Red Sox (yes we are lol Boston). So they both have short black hair. I do not know what difference it makes, but since there lol Marilyn Monroe or Pocahontas. We can go as something together or just completely seperare concepts. Images and descriptions are soo welcome! Thank you!

Ready to buy a suit? If so, have much Sailor Girl costumes are attractive, but definitely not too sexy bitch frieze. As for her friend, she could play outside the Navy, not I know, a boat or an anchor or something. Working with the theme of the sea this year. It is very hot on the road.

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