Photo SpecialWorld's Most Beautiful People

From superstars like Kate, Salma and Carrie to hot newcomers (the cast of Gossip Girl!), get a peek at who's on PEOPLE's 100 Most Beautiful list!

ISLA FISHER photo | Isla Fisher

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ISLA FISHER

Her fiery locks aren't just a signature style – for Fisher, 32, they also provide a convenient excuse! "It was great having red hair as a kid because I had something to blame my temper on," the Aussie actress says. "Now I go for the same color palette as Conan O'Brien. I did dye it blonde once, but it backfired, as I had nothing to blame my temper on!"

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Credit: Jeff Lipsky/CPI

Updated: Wednesday Apr 30, 2008 | 08:00 AM EDT

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