Kim Kardashian goes back to brunette

That was fast!

After turning heads by bleaching her hair platinum blonde less than a month ago, Kim Kardashian has gone back to her signature dark locks.

The 34-year-old was photographed Thursday taking her daughter, North West, to ballet class, with her hair a brunette hue once again.

Kardashian debuted the platinum hair at Paris Fashion Week, and even then she wasn't sure how long she'd keep it that way.

"It was a really last minute decision, and I loved taking this risk," she told People at the time. "It's a fun look, but I'm not sure how long it'll last -- but a fun break for now."

But, lest anyone forget Kardashian's blonde moment, it will live on forever in her Instagram selfies and on the cover of Elle France's latest issue.

Tell us: Do you like her better as a blonde or brunette?

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• Kim Kardashian