0London's First Days Sienna Miller’s new collection takes the town, Vivienne Westwood gets support from Pam Anderson, and Elle MacPherson front-row hops. See pictures of London Fashion Week’s first days.Updated Jul. 14, 2017 7:02PM EDT / Published Sep. 19, 2010 5:36PM EDT Chiaki Nozu, WireImage / Getty Images Julien MacDonaldChiaki Nozu, WireImage / Getty Images Elle MacPhersonSamir Hussein / Getty Images Twenty8TwelveMike Marsland / Getty Images Twenty8TwelveMike Marsland / Getty Images Moral SupportDave M. Benett / Getty Images Amber RoseIan Gavan / Getty Images Antonio BerardiAlastair Grant / AP Photo Michael Van Der HamDanny Martindale, WireImage / Getty Images Vivienne Westwood Mike Marsland, WireImage / Getty Images Vivienne WestwoodJoel Ryan / AP Photo Pam Anderson at Vivienne WestwoodMike Marsland, WireImage / Getty Images Vivienne WestwoodGareth Cattermole / Getty Images Matthew WilliamsonAlastair Grant / AP Photo Taking a TumbleGareth Cattermole / Getty Images; Antonio de Moraes Barros Filho, WireImage / Getty Images
Julien MacDonaldChiaki Nozu, WireImage / Getty Images Elle MacPhersonSamir Hussein / Getty Images Twenty8TwelveMike Marsland / Getty Images Twenty8TwelveMike Marsland / Getty Images Moral SupportDave M. Benett / Getty Images Amber RoseIan Gavan / Getty Images Antonio BerardiAlastair Grant / AP Photo Michael Van Der HamDanny Martindale, WireImage / Getty Images Vivienne Westwood Mike Marsland, WireImage / Getty Images Vivienne WestwoodJoel Ryan / AP Photo Pam Anderson at Vivienne WestwoodMike Marsland, WireImage / Getty Images Vivienne WestwoodGareth Cattermole / Getty Images Matthew WilliamsonAlastair Grant / AP Photo Taking a TumbleGareth Cattermole / Getty Images; Antonio de Moraes Barros Filho, WireImage / Getty Images