According to Just Jared, the "American Idol" alum had just returned from a romantic vacation in Cabo with boyfriend Sauli Koskinen.
Despite the black and white photo, you can tell Adam's had a lot of sunshine pumped into his carefully combed quiff.
However, Glambert's not the only one going blonde lately. Miley Cyrus recently gave up her strawberry style for a bleached-out summery look. And back in February, Rihanna beat back the cold with a playful hair makeover.
What do you think of Adam's changeup? Tweet us @AOLMusic.

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