Becoming... Reese Witherspoon

See how the Vanity Fair star went from Nashville schoolgirl to Hollywood A-lister. By Serena Kappes

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RUN, REESE, RUN

During her first pregnancy, Witherspoon admits she "gained a lot of weight." The second time around, she craved potato chips and hamburgers – but tried to stick to salads. To keep slim today, Witherspoon (in Tennessee in July) runs and practices yoga.