One of Katy’s most memorable appearances when she wore shiny black leggings at the 2009 Brit Awards.

Fiona Erdmann attends Mercedes Benz Fashion Week Berlin Spring/Summer 2010 - Marcel Ostertag arrivals at the fashion tent at Bebelplatz Berlin, Germany - 01.07.09

Actress AnnaLynne McCord arrives at The Taste of Beverly Hills wine & food festival opening night at The Beverly Hilton hotel on September 2, 2010 in Beverly Hills, California.

Elle MacPherson attends Louis Vuitton show at the Cour Carree of the Louvre, 2010-03-10

Cheryl Cole at Heathrow Airport, March 4, 2010