Witherspoon carries a heavy load on the L.A. set of her new film. Plus: Tom & Katie, Ashlee Simpson and more


First London's West End, now Broadway, baby! Ashlee Simpson makes a dash to take part in the 10th anniversary performance of Chicago at New York's Ambassador Theatre on Tuesday. Of performing alongside such Broadway luminaries as Chita Rivera and Bebe Neuwirth, Simpson told PEOPLE, " It's easy for me because I had just done Chicago in London, but it's also nerve-racking because you're with the people who started the show… It's good nerves."

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