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The last time this many J. Mendel dresses were in one place, it was the Emmys! Only the designer of the label himself—Gilles Mendel, shown with partner Kylie Case—could dress so many stars for one night again, this time for the Third Annual Autumn Party hosted by the Philanthropic Society Los Angeles, held at the London Hotel Rooftop in Los Angeles. “Any actress, and any beautiful woman, is part of my dream to dress,” Mendel told InStyle.com of his Hollywood following, which included party guests Brittany Snow, Sophia Bush, Jamie Lynn-Sigler, New Girl’s Hannah Simone, and Garcelle Beauvais. “I love when you get into one of his dresses, you really feel like you’re a woman,” Snow told InStyle.com before posing for photos in a silver strapless cocktail look by the designer with gal pal Sophia Bush. “The way the clothes are made make you feel really classy and put together.” The two stuck side-by-side all night, sipping Champagne along with the rest of the 400 attendees in candlelit cabanas overlooking the Los Angeles skyline—a beautiful setting to watch a fashion show of J. Mendel’s new resort collection, which also took place at the soiree. The evening benefited the Children’s Institute, Inc., a non-profit dedicated to child abuse and neglect treatment and prevention. Click through the gallery to see more stars at the J. Mendel party, and more photos from this week’s hottest events.

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— Carita Rizzo

In a year when every woman on Earth (and their mothers) read E.L. James’s Fifty Shades of Grey, the color now associated with BDSM-obsessed fictional Seattle businessman Christian Grey made a strong showing at the 64th Annual Primetime Emmy Awards. American Horror Story’s Connie Britton sparkled from head to toe in an ashy Andrew Gn halter dress, Modern Family’s Sarah Hyland co-designed her beaded dove Notte by Marchesa look, Homeland’s Morena Baccarin chose a deep-plunging Basil Soda slate design, Mad Men bombshell Christina Hendricks worked a silver curve-hugging Christian Siriano mermaid gown, and Revenge’s Emily VanCamp chose a foggy J. Mendel gown (one of a number of stars who donned a Gilles creation). Looks like everyone has a little Anastasia Steele in them—or at least the love of something grey!

Plus, see what everyone wore to the 2012 Emmys!

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Grammy nominees almost always hit a fashion high note on awards night! See Taylor Swift‘s ebony KaufmanFranco design, Selena Gomez‘s silver J. Mendel stunner, Beyoncé‘s creamy Stephane Rolland creation, and more of our favorite Grammy gowns in the gallery! Then, catch all of this year’s winners and performances tonight at 8/7c on CBS, and visit InStyle.com for up-the-minute red-carpet coverage!

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