Talk about sure-footing: For spring, flats remain a must-have accent, but the big news is that dainty, ballerina-inspired styles are now de rigueur. First worn by dancers during their studio hours then co-opted by Audrey Hepburn in the '60s, flats in black leather and beribboned styles make their return for spring. For tips on how to dress up these classic accents, take note from today's Hollywood set who are always one step ahead of the pack. —Susan Cernek
