Amber Valletta

Heidi Klum was decked out in purple last night for a bash celebrating the release of designer Roland Mouret's new collection, the the RM by Roland Mouret Rainbow Project, for Net-A-Porter. A few of his brightly colored party frocks were on display, including a yellow number on Devon Aoki and a navy dress on Olivia Wilde. Rachel Zoe kept things a little simpler in a dark tone, as did Roland's fellow clothing creator Amber Valletta. Heidi's right back in the thick of the fashion world following a little time off with her new daughter Lou, continuing to look gorgeous whether it's mingling with fellow models or getting down to work.

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Model Amber Valletta's clothing collab with Monrow has dropped, and everyone's talking about it. Rachel Bilson was in attendance at the LA launch party at Ron Herman (in a white Monrow dress) — as were we! We got some one-on-one time with the gorgeous model-designer, in addition to codesigner Lia Davis and actress Lori Loughlin. Shop the collection and watch FabTV on location!

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Rachel Bilson lent her support to a fellow celebrity designer last night, turning out to attend the launch of Amber Valletta for Monrow at Ron Herman in LA. The girls posed for photos side by side, before Rachel ventured off to browse the collection. Rachel is familiar with fashion events, but she's also gearing up for a return to acting with her upcoming stint on How I Met Your Mother. Amber, meanwhile, has been focusing on building her career after modeling, and who better to ask about that than her good friend Kate Moss?

More photos of Rachel and Amber at Ron Herman, so read more

Kate Moss broke out her old Vivienne Westwood pirate boots for dinner at Nobu in London last night with Jamie Hince and Amber Valletta. It was her second recent night out in the same fur jacket, though Kate kept things otherwise casual in her tank and jeans. Amber and Kate have known each other for many years, and with Amber's first clothing line, Amber Valletta For Monrow, launching next week, Kate can probably give her some great model-turned-designer advice. One friend of Kate's who might be around a little less often is her former BFF James Brown — she's apparently decided to stop seeing him as a hairstylist after getting pissed about how much airtime she got on his Supermodel Salon TV show.

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Many pretty young things were out in LA last night to attend the Hollywood Style Awards. Lauren Conrad took a break from thinking about the LA Candy movie to hit the white carpet in a floral dress, present an award and congratulate Young Stylemaker Brody Jenner. Kim was the lone Kardashian at the event and talked about how she's happy to let her sisters have the spotlight these days, though they're still working together on an upcoming line for Bebe. Hayden Panettiere and Selena Gomez posed in their minis and were just a few of the evening's big winners, but you guys seem split when it comes to deciding who was the best dressed.

To see more from the bash, including Amber Valletta, Brody Jenner and Zachary Quinto, just read more

When couples celebrate their 15-year anniversary, the traditional gift they might give their mate is crystal. But when François Nars celebrates his company's 15th anniversary, he makes a book, with all proceeds going straight to charities. And as you might expect, it's not your ordinary coffee-table publication. To commemorate the company's quindecennial anniversary, Nars plans to release 15x15 ($80) in mid-November, with only 1,500 copies hitting the presses.

The book, which will be available for 30 days at 15x15project.com, will feature photos of 15 celebrities, from Marc Jacobs to Amber Valletta to Naomi Campbell. "Basically, I wanted people who reflected my taste, friends, and people I admired for their look and talent," Nars told WWD. Inside the book, you'll find two inspirations behind each photo, along with a featured makeup product. Nars promises, "You don’t get bored." And after looking through some of the photos below, I couldn't agree more.

To see more images from 15x15, just keep reading.