October 19, 2010 05:00 PM

Gregg DeGuire/PictureGroup; Brian To/WireImage

We’ve got chills, and they’re multiplying! Kelly Osbourne is known for playing with her looks and style — from goth to glam, we’ve seen it all on the reality star. But her latest incarnation seems to be taking a page from a songbook — Grease! The Fashion Police commentator turned up at the Spike TV 2010 Scream Awards on Sunday in a Dolce & Gabbana lace and polka dot dress that reminded us more than a little bit of Rizzo’s sexy style. Even her banded hair screamed ’50s! And Monday night at the Andrew Martin International Interior Designer of the Year Awards, Osbourne showcased her slim and trim shape in a one-piece catsuit that post-makeover Sandy surely would have lusted after. Will this new look last until “Summer Nights”? Tell us: What do you think of Kelly’s retro looks? –Melissa Liebling-Goldberg

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