Halloween was officially celebrated a total of two times on Charmed, but they're definitely memorable episodes! In "All Halliwell's Eve" and "Kill Billie Vol. 1," the girls celebrate Oct. 31 by dressing up in costumes just like anyone else — and we're kind of obsessed.

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To gear up for the spooky holiday, we're taking a look back at their most memorable outfits. Click through the gallery to check them out.