A very pregnant Simpson serves as a bridesmaid in San Diego. Plus: William & Harry, Derek & Julianne Hough, Cory Monteith and more
Credit: George Pimentel/Getty
Published: Monday Jun 17, 2013 | 07:00 PM EDT
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Also at Sunday's MuchMusic Video Awards: Demi Lovato, who mans the mic on the Toronto stage.
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