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Nicole Snooki Polizzi, Most Improved

DAVE PROCTOR/startraksphoto.com; Larry Busacca/Getty Images for MTV

Hollywood is all about transformation.

Take a look at Snooki, for example.

Just a few years ago, the reality star was living it up on the Jersey Shore, hitting the carpet with a pouf in her hair and loud clothes on her body.

Now, the 26-year-old mom and Dancing With the Stars alum is not only rocking a slimmer physique, but a totally different—and much improved—look.

In regards to red carpet transformations, Snooki isn't the only star who's made big changes.

Take a look at our picks for the 10 best red carpet transformations thus far!