Kate Middleton debuted a controversial new blonde look on her first outing since the royal family 's summer break, looking sun-kissed after her time away from the spotlight, RadarOnline.com can reveal.

The Princess of Wales, 43, and husband Prince William , 43, paid a joint visit to London's Natural History Museum, checking out the facility's newly transformed gardens. Middleton became a royal patron of the museum in 2013. Article continues below advertisement

Blonde Bombshell

Middleton has always worn her natural, dark chestnut tresses throughout her life as a royal, occasionally adding slight golden highlights.

The outdoor lover is now a full-on blonde, with her hair more than just lightened by the sun. Her honey locks were the talk of Middleton's appearance, where she donn

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