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Lady Gaga Sighting As She Leaves The Philip Treacy Show At London Fashion Week

LONDON, UNITED KINGDOM - SEPTEMBER 16: Lady Gaga is seen leaving The Royal Courts Of Justice after watching the Philip Treacy show at London Fashion Week at Royal Courts of Justice, Strand on September 16, 2012 in London, England. (Photo by Olga Bermejo/FilmMagic)

London Fashion Week in photos

Some of the biggest celebrities from around the world attend the 2012 London Fashion Week.