Kaley Cuoco 's new look is making a big bang.

The Big Bang Theory alum debuted a jaw-dropping dark hairstyle while stepping out in New York alongside her fiancé Tom Pelphrey at the 2025 US Open Sept. 5.

For the outing, Kaley—rocking a plaid skirt with a cream-colored sweater vest atop a button-down shirt and tie—wore her hair in sleek space buns, which emphasized her more recent brunette balayage coloring and hid her signature dirty blonde tips to create a darker effect. And to top off her head-turning 'do, the 39-year-old accessorized with hoop earrings and brown-lensed sunglasses.

As for Tom—who she announced her engagement to in August 2024 following more than two years of dating—the Ozark actor kept it casual in tan trousers, a white T-shirt and a suede brown jacket. T

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