It鈥檚 a sad day for all you rainbow haired beauties out there. Our colored hair Queen, Nicole Richie, has gone back to the dark side 鈥 er, the bleached blonde side more like. The designer + former reality star, who has been known to rock everything from purple, pink, green and blue hair, showed up to the opening of her store鈥檚 LA pop-up shop yesterday not with colored locks, but rather with a new blonde 鈥榙o.

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While we already miss the saturated locks, we have to admit the ultra blonde locks look pretty great. Not only does the color manage to look like she just got back from a super sunny vacay, but we鈥檙e also really into that Ruby Rose-inspired short cut. Nicole didn鈥檛 share any photos from the event on her personal Instagram, but she did share a stunningly mysterious shot yesterday showing off her new 鈥榙o alongside the caption, 鈥淏ack on the Bottle.鈥

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Nicole, we鈥檙e really hoping that you haven鈥檛 permanently left rainbow hair in the past, but for now we鈥檙e totally digging the classic, cool girl look.

What鈥檚 your favorite hair color Nicole has rocked in the past? Share with us in the comments below.

(Photos via @instylela, @nicolerichie and Dimitrios Kambouris/Getty)