Kelly Clarkson
isn't embracing her "Dark Side."

The original "American Idol" singer stepped out today in London with a brand new, lighter look -- and was once again seen sporting blonde locks!

Kelly, who's had darker tresses lately, looked colorful and ready for summer!

The singer's hair is only the latest transformation for her, as she's also dropped 30 .lbs in the last six months.

"Really, what I try to instill in my fans is to be healthy and happy. I have no desire to be super-skinny," Clarkson recently told Redbook.

She also opened up about her new boyfriend Brandon Blackstock, telling the mag "Where’s the kick in the ass? I told my assistant that today. I said, 'I’m just waiting for something to blow up.' She said, 'No, that’s what happiness is.' I’m like, maybe I’ve never been happy! Because Brandon does, he makes me happy."

New man, new body and new hair -- Kelly Clarkson is on a roll!

So, is Kelly better blonde? Vote in the gallery above!

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