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Kristin Cavallari goes platinum blond! See her stunning new look

Kristin Cavallari debuted a gorgeous new platinum hairstyle at a charity ball this weekend.
/ Source: TODAY

Kristin Cavallari has lightened up her locks for fall!

The blond beauty debuted a stunning new platinum hue at the Carousel of Hope Ball on Saturday in Beverly Hills, California.

Kristin Cavallari attends the 2016 Carousel Of Hope Ball at the Beverly Hilton Hotel on Oct. 8.Richard Shotwell/Invision/AP

The author and reality TV star achieved the fresh, glamorous new shade with the help of celebrity hairstylist Scotty Cunha, who is also a go-to hair guru for the Kardashian clan.

It's noticeably cooler and lighter than her previous shade:

Brian Ach/Invision/AP; Getty Images

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Cavallari, 29, paired her soft beach waves with a pale pink cutout gown, which accentuated her smoky eyes and glowing skin.

Cunha shared a photo of Cavallari’s gorgeous new look on Instagram:

It was a special night for Cavallari. The Carousel of Hope gala benefits the Children’s Diabetes Foundation, which has personal meaning for Cavallari and her husband, Chicago Bears quarterback Jay Cutler.

“Jay is actually a diabetic, so any involvement I can do, I’m always going to jump on,” she told ET Online.

A host of celebs joined Cavallari at the glamorous charity event, including Sharon Stone, Denzel Washington, Jamie Foxx, master of ceremonies Jay Leno and the guest of honor, Sidney Poitier.

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The glitzy ball was the perfect place for Cavallari to debut her striking ‘do, but since then, she has been rocking her new tresses in everyday life.

She recently posted this sweet photo with her daughter, Saylor:

Her new platinum look is definitely gorgeous — but this beautiful mom is stunning no matter what.