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Two of's super sleuth interns, Jessica and Lily, sifted through your many requests and gathered a grip of information on today's four celebrity outfits. Read on for the specific styles, secret stores, and more!

Mary-Kate Olsen
Though we drew attention to this trend a long time ago (Accessory Report: Big Scarves), it is nice to recognize the longevity of the supersized scarf craze. Mary-Kate Olsen, pictured above, frequently revisits this trend and has served as perhaps the most reliable celebrity canvas for showcasing a variety of scarves in countless patterns and colors. We discovered the source for some of her intricately detailed scarves and simply couldn't wait to share it with all of you. The red, white, and blue scarf Olsen is wearing here is actually an oversized, square, wool-gauze, marine-print bandana designed by 45RPM. While this particular style is from the winter collection and is no longer available, the boutiques receive new quantities of various scarves and bandanas year-round, ranging in prices from $120-$340. They have assured us that they have new offerings on a regular basis, so check their websites for great new product. (, 917.237.0045)

Ginnifer Goodwin
We would like to take a moment and point out that there is something very lovely and alluring about the way Ginnifer Goodwin puts herself together. She recently illustrated this point at an Oscar de la Renta Home event, when she wore the charming vintage dress above. Obviously, the frock is one-of-a-kind, so we suggest checking your favorite vintage boutiques for your own version of this look. (LA residents please note that The Way We Wore has many similar styles.) Goodwin is wearing a pair of Derek Lam Marilyn Pumps in black nubuck ($595). The peep-toe heels are from the designer's Resort 2007 collection and are in stock at in Tribeca (212.431.3890). Her bag is the Foldover Clutch with Fringe from 7 For All Mankind and is available in black, chocolate, and bone ($178).

Mischa Barton
The sophisticated attire Mischa Barton wore to a recent Dolce & Gabbana party in New York prompted a number of questions from our readers. We're more than happy to answer your queries, especially because we also love the dress Miss Barton chose. Her Alexander Wang Embroidered Dress ($564) has a subtle glamor thanks to the metal bar details at the neckline and metallic stripes throughout the frock. Moving on to what would surely be Carrie Bradshaw's favorite part of the outfit, Barton's Christian Louboutin Mad Mary Pumps ($865). While the Loubis are enough shoe to leave us all lusting and emptying out our piggy banks, of course we had to find a more budget-conscious option for you. Dolce Vita's Bourbon Heels ($120) have a similar shape and color, while if you crave a studded shoe, we must refer you to Agyness's Favorite Shoes.

Rachel Bilson
We close this week's What Was She Wearing with one of our most frequently requested ladies, Rachel Bilson. While spending a day shopping at Barneys (as if she didn't have enough awesome clothes), Rachel demonstrated the correct way to mix black and brown elements. She kept warm in a beautiful double-breasted coat which was, arguably, the most noteworthy item of her attire. How could anyone not love the Hanii Y Balloon Sleeve Jacket with its high neckline and oversized buttons ($467)? Bilson carried Derek Lam's Guinivere Saddle Grande Shopper ($1347 on sale) for her day of errand running, but for something slightly more affordable, Kooba's Jennifer Soft Dome Satchel icon is a great alternative ($645). Finally, Bilson's chic Mayle boots are a couple of years old, so sadly they are no longer available. We think Steve Madden's Devoted Boots in gray leather are the perfect substitute ($120). -Jessica Amento

Photo of Ginnifer, Wireimage. Photo of Mischa, Splash. Photo of Rachel, Pacific Coast News.