Halloween parties kicked off over the weekend and didn't wrap till the wee hours of this morning, drawing celebs from NYC to LA out for the festivities. Now that the holiday's officially over, you've got 364 days to start brainstorming next year's killer costume and we've rounded up our favorite celebrity costumes to help inspire. From the guests at Kate Hudson and Heidi Klum's Halloween bashes, celebrity guests got busy dressing the part — from the good, like Lauren Conrad's sweet Minnie Mouse style to the downright scary — Heidi, we're looking at your cadaver suit — all style rules went out the window. Instead, we're looking to the wacky, zany, and all-out creative for high-impact Halloween looks.Click through for this year's best celebrity costumes, then be sure to share your favorite in comments.

Source: The Good, the Bad, and the Ugly — 38 Amazing Celebrity Halloween Costume Snaps!