US pop star Prince had fashionistas at London Fashion Week on their feet overnight when he staged a surprise performance at Matthew Williamson's catwalk show.

London's Fashion Week has long been inferior to Milan, Paris and New York. Not this year. American Vogue editor-in-chief Anna Wintour is planning to attend the London show in a move that has the fashionista universe here clapping its hands with glee.

Hollywood star Jennifer Lopez said her new young contemporary line was "fantasy - classic inspiration but with a new, kind of funky spin," so she turned the setting of her JustSweet show Tuesday night at New York Fashion Week into a fairy tale.

The spring 2008 collections shown at New York Fashion Week were full of optimism, bright colors and bursts of gold. Donna Karan showed a graffiti print in hot pink for her DKNY line on Sunday, while Michael Kors took on a disco theme.

Gwen Stefani had a handful of free days between her concert tours. The window allowed her to schedule a standing-room-only runway show of her L.A.M.B. collection.

When native designer Valentino packed his bags for the catwalks of Paris 17 years ago, Rome's fall from the pinnacle of fashion glory appeared complete.