• Karlie Kloss is the star of Nike's new Pro Bra collection, and she shows off her insanely fit bod and her workout moves in a series of new ads for the collection. "I love different strengthening exercises and intense workouts," Kloss said in a statement. "I like to switch it up. I think that's the best way to really challenge your body and become stronger in every way." It's working for you, Karlie! [WWD]

• John Legend's made a video for his new song "You and I" and OMG you are gonna cry so hard. It features cameos from his wife, Chrissy Teigen, breast cancer survivor Tig Notaro, transgender actress Laverne Cox, and tons of real women. And it deals with issues of body positivity in young girls and women. It's a must-see. [YouTube]



• Get a first look at Birchbox's first brick and mortar outpost in NYC. Hint: It's white, sunny and huge -- and there's tons of touchscreens in the store so customers can read through product user reviews. [Business Insider]

• Choupette Lagerfeld, the love of Chanel designer Karl Lagerfeld's life, will be starring in a series of ads for makeup brand Shu Uemura. She's inspired its latest collection, Shupette. [Shupette]

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• Yet another reason to be totally obsessed with Valentino (because we're already pretty totally obsessed with everything Valentino designs): Their couture show featured these insanely beautiful loose ponytails, created by Redken Creative Consultant Guido. A ponytail this good would HAVE to be created by a guy with only one name, right? [Beauty Blitz]