Celebrities attend AnOther Magazine's party at LouLou's private members' club in Mayfair on September 16, 2013.
(September 17, 2013 - Source: Kh/Bauer Griffin) see more angles »

Sienna Miller Shawl

Sienna Miller looked like she was headed to a costume party in this fringed shawl and top hat combo during the AnOther Magazine event.

Sienna Miller Over the Knee Boots

Over-the-knee leather boots sealed off Sienna Miller's party ensemble.