DETROIT - OCTOBER 26: Hip-hop mogul Sean "P. Diddy" Combes adjusts the microphone for actor Leonardo DiCaprio at a Vote Or Die rally at Wayne State University October 26, 2004 in Detroit, Michigan. The rally, which featured Combes, DiCaprio and singer Mary J. Blige, was held to urge people to get out and vote on November 2nd. (Photo by Bill Pugliano/Getty Images)
DETROIT - OCTOBER 26: Students and fans wait for the arrival of Hip-hop mogul Sean P. Diddy Combes, actor Leonardo DiCaprio and singer Mary J. Blige at a Vote Or Die rally at Wayne State University October 26, 2004 in Detroit, Michigan. The rally was held to urge people to get out and vote on November 2nd. (Photo by Bill Pugliano/Getty Images)
TAMPA, FL - OCTOBER 19: Actor Leonardo DiCaprio looks on after speaking to a group of John Kerry supporters October 19, 2004 in Tampa, Florida. DiCaprio told the crowd of about 40 that it was time for a change in America's leadership and that President George W. Bush has the worst environmental record of any U.S. President. (Photo by Tim Boyles/Getty Images)
MADISON, WI - OCTOBER 13: Actor Leonardo DiCaprio is welcomed before delivering a speech at the Orpheum Theater near the University of Wisconsin-Madison campus October 13, 2004 in Madison, Wisconsin. DiCaprio is stumping on behalf of Democratic presidential nominee U.S. Senator John Kerry (D-MA), urging students and others to vote in the upcoming election. (Photo by Shaun Heasley/Getty Images)