PEOPLE's Week in Photos

The hottest celebrity news in pictures, including Britney Spears, Kirsten Dunst, Lance Armstrong and more


First he "ran the city," and now P. Diddy wants a run on the electorate. The hip-hop mogul, who last year completed the New York City Marathon for charity, reached out to the MTV audience on July 20 (with help from Ashlee Simpson, right) by launching Citizen Change, his nonpartisan campaign to register young and minority voters, with the fervent slogan "Vote or Die!"

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