Demi Lovato's back as a brunette after a 'blink and you missed it' week as a blonde

/ Source: TODAY

It was just last Sunday when Demi Lovato showed off her freshly golden locks, but it seems her blond moment was short-lived.

Early this morning, the 24-year-old star posted a photo on Instagram revealing she's already gone back to her darker color.

The sudden change comes as a surprise because it would seem that Lovato was loving the way she looked as a blonde, posting several photos highlighting the new do.

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She even captioned one of her more recent posts: "Feeling confident with this blonde! Show your inner light and feel it too!"

In the post, she tagged hair care brand Wella Koleston, but it's unclear how they inspired her style switch-up.

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The "Confident" singer is on the tail end of her "Future Now" tour with fellow former Disney star Nick Jonas. The pair will jet off to Brazil in December before wrapping the tour in February in Dubai.

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Whatever the reason for her week as a blonde — both styles are serving up some major hair inspiration.