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Katherine Heigl Hair

Getty Images; Instagram

Bright idea, Katherine Heigl!

Never one to play coy with hair color, the 36-year-old actress has dabbled in quite a few shades of the hair rainbow throughout her career. After experimenting with golden buttery locks and chocolate hued shades (and even a brief ginger stint) in the past, Katherine's onto her next big hair color shakeup with ultra-bright, platinum blond.

"Went platinum for my new movie role... still getting used to it," the Knocked Up alum shared on Instagram. "The good news is @joshbkelley is vibing it..."

The mother of two isn't the only celeb to go platinum for an upcoming role, with New Girl's Max Greenfield adding a bright yellow tint to his naturally dark hair for his highly anticipated slot in American Horror Story: Hotel this fall. But those are hardly the most drastic hair makeovers we've seen this summer, with plenty of ladies opting to dye their hair actual shades of the rainbow (we're looking at you, Gigi Hadid, Cara Delevingne and Georgia May Jagger).

We'll give it to her—Katherine's vibrant new hue is a lovely hair color upgrade for end of summer, and it's nice to know hubby Josh Kelley already approves!