Bruce Springsteen performs at a free outdoor concert in support of Democratic presidential candidate, Sen. Barack Obama, D-Ill., and in a push for voter registration in downtown Philadelphia on Saturday, Oct. 4, 2008. He was an early and avid supporter of the senator.
Actress Patricia Arquette, left, is greeted by Steve Westly, California co-chair of Obama for America, at "Countdown for Barack Obama: Leaders of Diverse Communities Unite," in Beverly Hills, Calif., Friday, Oct. 17, 2008.
Actor Rosanna Arquette speaks at "Every Woman For Obama" Voter Registration Rally at UCLA in Los Angeles on Sunday, Oct. 12, 2008.
Bruce Springsteen performs during a rally Sunday, Oct. 5, 2008, on the campus of Ohio State University, in Columbus, Ohio. Springsteen was in town to encourage Barack Obama supporters to register and take advantage of Ohio's early voting period.
Bob Weir of the Grateful Dead performs at the Bryce Jordan Center at University Park, Pa. during a benefit concert for Democratic Presidential candidate Barack Obama on Monday, Oct. 13, 2008.
Ethel Kennedy, widow of Robert F. Kennedy, campaigns for Barack Obama before a crowd at the home of Vinton, Va., attorney and Virginia Democratic Party Chairman Richard Cranwell on Wednesday Oct. 22, 2008.
Republican vice presidential candidate, Alaska Gov. Sarah Palin looks on as country singer Lee Greenwood sings his song "God Bless the USA" to supporters, Tuesday, Oct. 21, 2008, in Reno, Nev.
Singers Nancy Wilson, left, and sister Ann Wilson of the musical group Heart perform at "Every Woman For Obama" Voter Registration Rally at UCLA in Los Angeles on Sunday, Oct. 12, 2008.
Recording artist Jay-Z, sings for fans at Cobo Arena during an "Operation Registration" rally and concert on Saturday, Oct. 4, 2008 in Detroit.
Grammy-award winning singer-songwriter Carole King sings Tuesday Oct.21, 2008, at the Democratic headquarters in Kirksville, Mo. King has been on the road for the past month and a half visiting swing states and will continue campaigning for Barack Obama over the next two weeks.
Singer Patti LaBelle performs at "Every Woman For Obama" Voter Registration Rally at UCLA in Los Angeles on Sunday, Oct. 12,2008.
TV celebrities Eva Longoria Parker, left, and Adam Rodriguez campaign for Democratic presidential candidate Sen. Barack Obama, D-Ill., on Sunday, Oct. 5, 2008, at New Mexico State University in Las Cruces, N.M., during a college voter registration tour. The actress, who stars in "Desperate Housewives," and Rodriguez, of "CSI: Miami," encouraged people to register before the deadline in New Mexico.
Actor Pamela Bach-Hasselhoff holds a sign in support of Democratic presidential candidate Sen. Barack Obama, D-Ill., at "Every Woman For Obama" Voter Registration Rally at UCLA in Los Angeles on Sunday, Oct. 12, 2008.
Actress and Obama supporter Rosario Dawson laughs as she arrives for a presidential debate between Democratic presidential candidate Sen. Barack Obama, D-Ill., and Republican presidential candidate Sen. John McCain, R-Ariz., at Hofstra University in Hempstead, N.Y., Wednesday, Oct. 15, 2008.
Country singer Gretchen Wilson performs for the crowd before Republican presidential candidate Sen. John McCain, R-Ariz., and vice presidential candidate Alaska Gov. Sarah Palin arrive at a rally of supports at the Green Memorial Field of Green High School in Green, Ohio, on Wednesday, Oct. 22, 2008.
Country music singer Hank Williams Jr. wears a Denver Broncos jersey while singing the National Anthem before a political rally with Republican vice presidential candidate Alaska Gov. Sarah Palin on Monday, Oct. 20, 2008, at the Budweiser Events Center in Loveland, Colo.
Elisabeth Hasselbeck, left, co-host of "The View," applauds while introducing Republican vice presidential candidate Alaska Gov. Sarah Palin at a rally in Kissimmee, Fla, Sunday, Oct. 26, 2008.
Actor Kevin Costner leads a group of early voters through campus during an early voting rally in support of Democratic presidential candidate Sen. Barack Obama, D-Ill., at the University of Colorado in Boulder, Colo. Tuesday Oct. 28, 2008.
Emmy Award and Golden Globe winning actor Jimmy Smits speaks at an Early Vote for Change Rally on behalf of Democratic presidential candidate Sen. Barack Obama, D-Ill., at Osceola Heritage Park in Kissimmee, Fla., on Wednesday, Oct. 29, 2008.
NBA superstar LeBron James, left, and Grammy-winning recording artist Jay-Z rally voters at a concert, urging them to vote early for Democratic presidential nominee Barack Obama on Wednesday, Oct. 29, 2008, in Cleveland.