You can shop like royalty and have your undies custom-made at Her Majesty's corsetiere Rigby & Peller in Knightsbridge, run down a leather-bound copy of Wuthering Heights at a Charing Cross bookseller, find antique toby jugs on Portobello Road, or drop in at Vivienne Westwood's landmark shop on the King's Road—Gwen Stefani and Kelly Osborne are fans. Whether you're out for fun or for fashion, London can be the most rewarding of hunting grounds. More »