The "Part of Me" singer switched up her look four times at the 2011 MTV Video Music Awards August 28 -- her mod, Dior Couture ensemble complete with a yellow 3D block fascinator by Philip Treacy being one of the most memorable.
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Katy Perry
The "Part of Me" singer switched up her look four times at the 2011 MTV Video Music Awards August 28 -- her mod, Dior Couture ensemble complete with a yellow 3D block fascinator by Philip Treacy being one of the most memorable.