Burberry Creative Director Christopher Bailey and Burberry CEO Angela Ahrendts last night hosted an event to celebrate the 25th anniversary of London Fashion Week and the recent opening of the new Burberry Global Headquarters in London. The event at the Horseferry House headquarters was attended by over 1500 guests including Emma Watson, Liv Tyler, Mary-Kate Olsen, Dev Patel, Freida Pinto, Agyness Deyn, Alexa Chung, Anna Wintour, Mario Testino, Victoria Beckham, Maggie Cheung, Na Young Lee, Johnny Borrell, Donna Air, Jamie Campbell Bower, Julia Restion Roitfeld, Jaquetta Wheeler, Tamsin Egerton, David Walliams, Jamila Jamil, Laura Bailey, Ben Grimes, Jasmine Guiness, Twiggy, Nick Rhodes, and Harvey Weinstein. Music on the evening was provided by British band The Kooks who played a live set as well as British model Agyness Deyn and British TV presenter Alexa Chung who both DJ'd at the event The ground floor showrooms at the headquarters were transformed for the event with giant video screens projecting innovations of the Burberry check, catwalk looks, behind the scenes footage of the show preparation as well as live comments from social media sites including Twitter and Facebook. A state of the art blogging suite was also set up here guests were able to blog directly from the party, posting comments and status updates on the evening's events. The Burberry headquarters at Horseferry House were designed by Christopher Bailey and comprise cutting edge show rooms, photo studios, modern contemporary office space and design studios together with the original architectural features of the 1930s building. The event followed the Burberry Prorsum Spring Summer 2010 womensear show which closed London Fashion Week earlier yesterday evening at the the Rootstein Hopkins Parade Ground at the Chelsea College of Art and Design in Westminster. The Burberry show was streamed live for the first time directly from the show space in London at live.burberry.com and uniquely online viewers were able to comment in real time on the collection on the site. From 10AM today, 2 trench coats previewed on yesterday's catwalk, will be available for pre-order via the Burberry European and US e-commerce sites at burberry.com. The made-to-order trench coats in nude glove suede and nude feathered leather will be available for delivery 3 months ahead of their main arrival in store. Pre-ordering will be open for 3 days, closing on Friday 25 September.