Polyvore—which was founded by several former Yahoo (NSDQ: YHOO) engineers—has raised just over $8 million in funding since its start in 2007, including $5.6 million in a second round in August led by Matrix Partners.

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The site is growing extremely quickly and now calls itself the “largest fashion community in the world.” The NYT pointed out in a profile last year that Polyvore was bringing in more traffic than the websites of any of the top fashion magazines. Those magazines, of course, are firing back with social shopping initiatives of their own, as they continue to struggle for ad dollars. For instance, just last month, Time Inc. (NYSE: TWX) bought social shopping site StyleFeeder.

Here’s the release:

Polyvore Names Sukhinder Singh Cassidy as CEO

Former Google and Accel Executive Brings Growth and Scaling Experience to Pioneering Global Fashion and Social Shopping Community

MOUNTAIN VIEW, Calif., February 22—Polyvore, the leading fashion and social shopping platform, today announced the addition of Sukhinder Singh Cassidy as Chief Executive Officer. Ms. Singh Cassidy will join Polyvore on March 1, from Accel Partners where she served as CEO-in-residence. From 2003 to 2009, Ms. Singh Cassidy held a variety of executive leadership roles at Google including President of its Asia-Pacific & Latin American Operations. Ms. Singh Cassidy brings over 14 years of experience in media and technology to further accelerate Polyvore’s growth in the fashion and social shopping space.

Polyvore is redefining how people around the world experience, create and share fashion on the Internet. Polyvore’s easy-to-use virtual styling tool lets people mix and match products from any online store to create their own fashion collections called “sets”. The Polyvore community consists of trendsetters, shoppers and aspiring stylists, who create more than 30,000 sets daily and spend an average of 10 minutes on the site per visit. With over 6 million unique visitors and 140 million pageviews per month, Polyvore is the largest fashion community site in the world. Polyvore members also share their creations on blogs and social networking sites like Facebook and Twitter, extending Polyvore’s reach by an additional 22 million impressions per month. This viral distribution network fosters the exposure and discovery of new products, brands and styling insights across a large global audience.

“The tremendous organic growth of Polyvore over the last three years has ushered in a new and exciting chapter for the company,” said Pasha Sadri, Polyvore Co-Founder. “Sukhinder’s track record at scaling companies and expertise as both an executive and entrepreneur is the ideal combination Polyvore needs to continue growing and driving innovation globally.”

“I am very excited to join Polyvore as CEO. I’ve watched the company grow and gain momentum as online shopping evolves from a static and solo experience into a very social form of digital entertainment and e-commerce,” said Ms. Singh Cassidy. “This is a unique opportunity to join a talented and passionate team and collaborate with a product visionary like Pasha to grow the business and redefine the industry.”

“Ever since meeting Sukhinder 10 years ago, the entire Benchmark partnership felt she had all the qualities to be a truly phenomenal CEO,” said Peter Fenton, a partner at Benchmark Capital and Polyvore and Twitter board member. “With the unique chemistry between Sukhinder’s passion, the world class team at Polyvore, and our global community of creators, we see the potential to change the fashion industry forever.”

“Polyvore is transforming the online shopping and fashion industry with an innovative social shopping platform that empowers people to engage with brands and products in creative ways to drive discovery, sharing and e-commerce. This is a very powerful and game-changing experience for both consumers and brands. We’re very pleased to have Sukhinder join Polyvore as we tackle the future in this exciting space,” said Dana Stalder, General Partner, Matrix Partners.

Ms. Singh Cassidy was responsible for all of Google’s commercial operations in Asia-Pacific and Latin America, and built the company’s presence from inception to scale across 40 domains and 103 different countries. Ms. Singh Cassidy first joined Google in 2003 as the General Manager for Google Local & Maps, helping to launch these innovative new services, then expanding her responsibilities to lead the company’s strategic partnerships for Google Books, Scholar, and Video. From 1999-2003, Ms. Singh Cassidy was Co-Founder and Senior Vice President of Business Development for Yodlee.com Inc., a leading solutions provider to the global financial services industry. Ms. Singh Cassidy started her Internet career in strategy and business development with Amazon.com (NSDQ: AMZN) and OpenTV. Prior to Silicon Valley, she worked in New York and London for Merrill Lynch and British Sky Broadcasting. Ms. Singh Cassidy is a board member of specialty apparel retailer J.Crew Group (JCG) and serves on the advisory board for A Woman’s Nation, a project led by Maria Shriver and Center for American Progress. She is also a board member for Jobtrain, dedicated to vocational training for troubled adult and youth, and is a graduate of the Richard Ivey School of Business Administration at the University of Western Ontario, Canada.