Camilla Belle and Katy Perry's styles couldn't be more different, but clearly the two have a shared love for white, feathery Marchesa. Camilla first wore this gorgeous piece from the Spring '10 line at an event in LA a couple weeks ago. She paired it with strappy black sandals and sparkly jewels. Then Katy sported the same fancy frock onstage at the 2009 MTV Europe Music Awards in Germany with a pair of sequined pumps. Both look like delicate swans, but who wore Marchesa better?

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