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Kim Kardashian has lightened up.

The reality star -- known for her deep brunette locks -- went blonde over the weekend and debuted her golden locks while out in NYC on Sunday.

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"I'm loving my new blonde hair!" she said on her Twitter page.

Kardashian, 28, took to Twitter Sunday to hint that a change was on the way.

"Hey everyone, I have a drastic new look!" Kardashian wrote.

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Several hours later, she posted a photo for the big reveal.

"I went blonde!" she said.

Her transformation came a week after she showed fans another new look -- a sunburn from her vacation in Mexico.

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