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Lindsay Lohan and Samantha Ronson pose for the cameras outside Declare Yourself's "A New Birth of Citizenship" inaugural event.
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Hayden Panettiere may have "wanted" you to vote for McCain, but she was all smiles at Declare Yourself's "A New Birth of Citizenship" inaugural event for Obama.
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Newlyweds (and recently new parents) Cash Warren and Jessica Alba walk the orange carpet at Declare Yourself's "A New Birth of Citizenship" inaugural event. Where's your
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Rick Schroeder and his wife Andrea pause for the photogs at Declare Yourself's "A New Birth of Citizenship" inaugural event.
5 of 24 Jason Kempin/Getty Images
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Jennifer Lopez and hubby Marc Anthony put all those divorce rumors aside for one night as they stepped out together at the Latino inaugural gala, "Celebrando El Cambio — Renewing America's Promise."
6 of 24 Jason Kempin/Getty Images
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American Idol's David Archuleta wasn't old enough to vote in the election, but was offering his support (and smile) at the "Celebrando El Cambio — Renewing America's Promise," Latino inaugural gala.
7 of 24 Jason Kempin/Getty Images
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The beautiful Rosario Dawson has a big smile for the cameras as she walks the red carpet at the Latino inaugural gala, "Celebrando El Cambio — Renewing America's Promise."
8 of 24 Jason Kempin/Getty Images
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Shakira added some spice to the the "Celebrando El Cambio — Renewing America's Promise," Latino inaugural gala in this sexy green number.
9 of 24 Jason Kempin/Getty Images
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Rosie Perez struts her stuff on the red carpet at the "Celebrando El Cambio — Renewing America's Promise" Latino inaugural gala.
10 of 24 Jill Biden, Joe Biden, Barack Obama, Michelle Obama
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President-elect Barack Obama waves with his wife Michelle and vice president-elect Joe Biden and his wife Jill after arriving at HBO's We Are One: The Obama Inaugural Celebration at The Lincoln Memorial.
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Beyonce closed down the We Are One: The Obama Inaugural Celebration at The Lincoln Memorial with a stirring rendition of "America the Beautiful."
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Jack Black was one of many celebs who turned out to speak at We Are One: The Obama Inaugural Celebration at The Lincoln Memorial.
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President-elect Obama greets Laura Linney (C) and Kal Penn looks on following HBO's We Are One concert and inaugural kickoff.
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Bruce Springsteen performs a chorus-backed version of "The Rising" at HBO's We Are One: The Obama Inaugural Celebration at The Lincoln Memorial.
15 of 24 Mary J. Blige
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Mary J. Blige got the We Are One crowd at the Lincoln Memorial rocking with her version of "Lean on Me."
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Forest Whitaker addresses the crowd about the importance of poets and their historic words at HBO's We Are One inaugural kickoff and celebration.
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Sheryl Crow and will.i.am pumped up the We Are One crowd by teaming with Herbie Hancock for a rendition of Bob Marley's "One Love."
18 of 24 Chip Somodevilla/Getty Images
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Marisa Tomei shakes hands with president-elect Barack Obama onstage during the We Are One: The Obama Inaugural Celebration at The Lincoln Memorial.
19 of 24 Chip Somodevilla/Getty Images
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Bono performs the classic U2 hit "Pride (In the Name of Love") at HBO's We Are One inaugural kickoff.
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U.S. President-elect Barack Obama and Denzel Washington hug it out on stage after HBO's We Are One: The Obama Inaugural Celebration at The Lincoln Memorial.
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Stevie Wonder, Usher and Shakira rock the stage at HBO's We Are One inaugural concert.
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Steve Carell shaved his beard and spoke to the massive crowd that gathered for HBO's We Are One: The Obama Inaugural Celebration at The Lincoln Memorial.
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Josh Groban and Heather Headley perform "My Country, 'Tis of Thee."
24 of 24 Mark Wilson/Getty Images
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Garth Brooks performs a medley of songs including "American Pie," "Shout" and his own "We Shall Be Free" during HBO's We Are One inaugural kickoff concert.