Blake Lively Goes "Bronde" (aka Brunette With a Blonde Glow): Photos

But how will Gossip Girl spot her?!

Blake Lively, who's long rocked her Serena van der Woodsen "rose gold" blonde locks, debuted a brand-new hair color via Instagram on Tuesday, July 7: Say hello to "bronde" Blake.

Sharing a photo of herself traveling with the World Wildlife Fund, the new mom to baby James wrote, "…Brondes have more fun." And yes, she spelled all of that correctly. "#NoTypos — IKnowIThinkItsCrazyToo," Lively, 27, added.

Lively's glowing "bronde" hue is a fusion of brunette and blonde shades, giving the chocolate-colored base a summery, sun-kissed shimmer. It's a trendy look that lines up with L'Oreal Paris' new "Go Bronde" campaign, which makes perfect sense, as the Age of Adaline actress is one of the beauty brand's ambassadors.

But Lively didn't just hop on Instagram for a hair update! She also shared extra pictures from her exotic trip, where she posed with a heart-shaped mountain (while rocking the limited-edition Wild Lokai bracelets benefitting the WWF) and attempted to kayak. Next to the second photo, the natural blonde joked, "A day at the office #HowManyPeopleDoesItTakeToMakeABrondeLookLikeShesKayaking #…ALOTapparently."

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