The place to be this week was Washington and on Tuesday night, many celebrities took to the dance floor or to the stage at Inaugural balls. Singer Marc Anthony performs at the Western inaugural ball in Washington, Tuesday, Jan. 20, 2009.
Actress Ashley Judd arrives at the Inaugural Purple Ball in Washington, Tuesday, Jan. 20, 2009.
Actors Ed Harris and Amy Madigan arrive at the Inaugural Purple Ball in Washington, Tuesday, Jan. 20, 2009.
Actress Rachael Leigh Cook attends the Creative Coalition Inaugural Ball at the Harman Center for the Arts on Tuesday, Jan. 20, 2009, in Washington.
Actress Kim Raver attends the Creative Coalition Inaugural Ball at the Harman Center for the Arts on Tuesday, Jan. 20, 2009, in Washington.
Actress Heather Graham and Yaniv Raz pose together at the Creative Coalition Inaugural Ball at the Harman Center for the Arts on Tuesday, Jan. 20, 2009, in Washington.
Director Ron Howard gives an interview at the Western Inaugural Ball in Washington, Tuesday, Jan. 20, 2009.
Actress Dana Delany attends the Creative Coalition Inaugural Ball at the Harman Center for the Arts on Tuesday, Jan. 20, 2009, in Washington.
Actress Jennifer Beals attends the Huffington Post Pre-Inaugural Ball at the Newseum on Monday, Jan. 19, 2009, in Washington.
Alicia Keys performs at the Neighborhood Inaugural Ball in Washington, Tuesday, Jan. 20, 2009.
Actress Hayden Panettiere shows off her ring as she is interviewed by a television reporter at the Obama Home States Inaugural Ball in Washington, Tuesday, Jan. 20, 2009.
Maroon 5's Adam Levine performs at the Neighborhood Inaugural Ball in Washington, Tuesday, Jan. 20, 2009.
Singer Mariah Carey sings at the Neighborhood Inaugural Ball in Washington, Tuesday, Jan. 20, 2009.
Singer James Taylor performs during the Eastern Inaugural Ball at Union Station in Washington, Tuesday, Jan. 20, 2009.
Actress Anne Hathaway attends the Creative Coalition Inaugural Ball at the Harman Center for the Arts on Tuesday, Jan. 20, 2009, in Washington.
Singer Sheryl Crow is joined by an unidentified U.S. Marine during her performance at the Midwestern Ball at Convention Center, Tuesday, Jan. 20, 2009, in Washington.
Actress Susan Sarandon attends the Creative Coalition Inaugural Ball at the Harman Center for the Arts on Tuesday, Jan. 20, 2009, in Washington.
Shakira performs at the Neighborhood Inaugural Ball in Washington, Tuesday, Jan. 20, 2009.
Singer Stevie Wonder laughs with his wife, Kai Milla Morris, at the Obama Home States Ball, Tuesday, Jan. 20, 2009, in Washington.
Kid Rock performs at the Youth Inaugural Ball at the Washington Hilton in Washington, Tuesday, Jan. 20, 2009.