23 sexy, crazy and cute sci-fi costumes from Halloween

We have no idea whether you guys got all the Halloween candy you wanted, but one thing we do know is that you sure came up with some awesome costumes to wear while trick or treating Sunday. Here are 23 of our favorites, including a trashcan stormtrooper, a sexy Leeloo (is Halloween even possible without one?), a Tron baby and more!

Check them out below.

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