Bags and shoes of beads, colored silks, and the loveliest designs are the trademark here. Guinness's store is equally girlish and fun (Vogue covers adorn a see-through floor), with a downstairs salon where you can take tea while selecting. With boutiques in Hollywood and New York, Ms. Guinness plans to "bag" an increasingly starry clientele -- just watch Oscars night. Tube: Sloane Sq.