09/13/2012 01:06 pm ET Updated Dec 06, 2017

Britney Spears Dresses To Impress On 'Jimmy Kimmel Live' (VIDEO)

If you hadn't noticed, we've been experiencing a resurgent crush on Britney Spears.

The pop star, formerly known for being the hottest 17-year-old in music then for being an uncontrollable hot mess, has cleaned up her act and is acing her new "X Factor" gig. Her hair (and extensions) have been looking healthy and natural, her outfit choices have been consistently trendy yet tasteful and she's managed to garner positive reviews for her actual performance as a TV judge.

She won our hearts yet again on Wednesday night on an episode of "Jimmy Kimmel Live." Spears, appearing as a guest alongside Simon Cowell, wore a white oxford shirt buttoned to the top (very on-trend) with a black cap-sleeve tee on top and black formal shorts on the bottom. There was a confusing smock-like think happening where the shirt hit her waist (the whole thing might have been a dress?) but no matter: she looked slick, stylish and totally put-together.

Between this and her new Elle cover, Britney is having a moment and we're totally obsessed.

Check it out below.


britney spears jimmy kimmel

britney spears jimmy kimmel

See how Britney's style has changed:

Britney Spears' Style Evolution

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