Popsugar Fashion Lady Gaga Lady Gaga's Most Memorable Outfits Applause, Applause: Lady Gaga's 28 Most Iconic Fashion Moments March 28, 2014 by Robert Khederian View On One Page Photo 26 of 35 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 26 Lady Gaga in Flower Hat at Philip Treacy SS2013 Show in London Lady Gaga not only wore a floral headpiece by Philip Treacy while sitting front row at his Spring 2013 runway but also opened the show. Previous Next Start Slideshow Lady Gaga