Stars at London Fashion Week

Kate Moss

Kate Moss

teamed up with British brand Longchamp-the supermodel has designed two collections for the handbag maker-to host a Fashion Week bash at Longchamp flagship store in London.

Alexa Chung and Christopher Bailey

"Thanks for making my foray into twittersphere so great and thank you for all your incredible support," tweeted designer Christopher Bailey following the Burberry Prorsum Spring/Summer 2011 fashion show. Stylish stars like Alexa Chung were among the guests who crowded into the Chelsea College of Art and Design for a first look at the brand's latest collection.

Cat Deeley

Cat Deeley

took to Twitter to share insider details from the Burberry Prorsum show. "Three girls tripped!" reported the So You Think You Can Dance host. "I'm the clumsiest girl on the planet, so I will definitely not be placing a shoe order!"

Sarah Jessica Parker and Serena Williams

After attending a memorial service for designer Alexander McQueen, Sarah Jessica Parker joined Serena Williams in the front row at the Burberry Prorsum Spring/Summer 2011 fashion show, held at the Chelsea College of Art and Design.

Naomi and Valerie Campbell

Naomi Campbell

brought along mom Valerie for Dolce & Gabbana's Fashion Week party, held at London hot spot Bond Street.

Cat Deeley

So You Think You Can Dance

host Cat Deeley had a packed schedule at London Fashion Week, sitting front row at Matthew Williamson and Vivienne Westwood before capping off the day at the Julian MacDonald show.

Sienna Miller

After debuting the Twenty8Twelve Spring 2011 collection earlier in the day, Sienna Miller sat back to watch the Matthew Williamson show at the Battersea Power Station.

Jude Law and Matthew Willamson

Jude Law

and designer Matthew Willamson showed up to support Sienna Miller at the Twenty8Twelve show, held at London's Old Sorting Office.

Matthew Williamson and Helena Christensen

Before sending his latest collection down the runway, designer Matthew Williamson joined Helena Christensen to judge the Grand Final of the Triumph Inspiration Award 2010, where models showcased the designs of 27 fashion students.