Celebrity Blog!

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As Barack and Michelle Obama embark on their first official trip to Europe, England is already buzzing about what the stylish First Lady will wear. And if her traveling outfits are any indication, this will be one chic trip across the pond. The First Lady departed the White House in a custom ivory tweed Thakoon coat paired with low Jimmy Choo heels. But like any intrepid traveler, she changed on Air Force One to make her entrance in England in a bold chartreuse Jason Wu sheath under a black coat. Since Michelle is already wearing designs from favorites like Wu (who also designed her Inaugural gown), can we expect to see Narciso Rodriguez and J. Crew pieces on this trip? And what about the traditional hat when meeting the Queen of England? Will she continue to bare her arms? We will have to wait and see — check back for updates throughout the week.

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She may have her own fan-base of ultra-glam celebrities, but star stylist Rachel Zoe is making no secret of her love of the “free spirit approach” of star designer Sienna Miller’s ready-to-wear line Twenty8Twelve, created in partnership with her sister Savannah Miller. Zoe had the rare opportunity to interview the designing duo for Interview magazine — and a love of fashion, she learned, was a family affair from the start. “Our mum was very glamorous in a shimmery, ’80s sort of way,” Sienna says. “She had endless dinner parties. It was very Bohemian and inspiring to grow up around creative people in that way.” And when Savannah headed to the esteemed St. Martins design school, Sienna naturally offered input on her sister’s projects. “When we were approached to do the line,” Sienna reveals of the collection’s 2006 launch, “it felt like an organic step to take. It means we get to spend time together, and it’s a lot of fun.” And for her part, interviewer Zoe wouldn’t mind stepping into the sisters’ shoes, telling them, “It would be my dream to form a business with my sister and I envy you both for doing so.” Click here to read Zoe’s full interview with Sienna and Savannah. Then tell us: What do you think of their designs? Would you want to work with your sister?

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Soon you’ll be able to channel style icon Nicole Richie from head to toe — at least as far as accessories are concerned. Following the success of her line of headbands and jewelry, the star has just inked a deal to design footwear, WWD reports. Partnering with the manufacturers who produce Modern Vintage shoes and Earnest Sewn jeans, Richie will add a line of around 20 shoe styles to her House of Harlow 1960 label for spring of 2010, as well as bags, belts and small accessories. And according to business partner Rick Cytrynbaum, Richie will have creative control at every level of the design process. “Nicole is designing everything herself,” he says. “She’s totally devoted to this, and we’re creating a whole lifestyle around her aesthetic and what is true to her.” Click here to check out her current collection at shopkitson.com. Tell us: What do you think about Richie’s latest design venture?