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The Obamas share a dance at the Neighborhood Inaugural Ball at the Washington Convention Center. The event was the first of 10 the couple attended after the inauguration. (Richard A. Lipski/Post)

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President Barack Obama dances with guests at the Neighborhood Inaugural Ball. (Richard A. Lipski/Post)

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Vice President Joe Biden dances with his wife Jill Biden at the Mid-Atlantic Inaugural Ball in Washington, D.C. (AP)

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President Barack Obama dances with guests during the Neighborhood Inaugural Ball. (AP)

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Pauletta Washington, wife of actor Denzel Washington, and friend Louis Cummings dance as they prepare for the arrival of President Barack Obama at the Neighborhood Inaugural Ball. (AP)

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President Barack Obama and first lady Michelle Obama, right, dance as Beyonce sings (and appears on the big-screen) at the Neighborhood Inaugural Ball. (AP)

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Michelle applauds after a dance with her husband at the Neighborhood Inaugural Ball. (AP)

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Shakira performs at the Neighborhood Inaugural Ball. (AP)

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Stevie Wonder and Sting share the stage at the Neighborhood Inaugural Ball. (Reuters)

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President Barack Obama gives First Lady Michelle Obama a kiss as they dance at the Mid-Atlantic Inaugural Ball. (AP)

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U.S. Army Sgt. Margaret H. Herrera waves to the crowd with First Lady Michelle Obama. Herrera was selected to dance with President Barack Obama at the Commander-in-Chief's Ball. (Reuters)

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Mariah Carey performs at the Neighborhood Inaugural Ball. (Reuters)

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Grammy winner Joanne Shenandoah, Wolf Clan member of the Iriquois Confederacy, sings the national anthem at the American Indian Inaugural Ball in Arlington, Va. (Yossi May/For The Post)

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Faith Hill performs at the Neighborhood Inaugural Ball. (AP)

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Vice President Joe Biden speaks to the crowd at the Biden Home States Ball. (AP)

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Singer Jack Johnson performs -- his guitar sporting Obama decorations -- at the Home States Inaugural Ball in Washington, D.C. (AP)

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President Barack Obama and First Lady Michelle Obama dance with a young guest at the Neighborhood Inaugural Ball. (Reuters)

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The first lady and the president dance before guests at the Home States Ball in Washington, D.C. (Reuters)

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Guests at the Neighborhood Inaugural Ball cheer, with cameras in hand, for the musical performers. (Reuters)

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Nigerian-born U.S. citizen Chjnyere Awaneri arrives at the Home States Inaugural Ball. (Reuters)

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Actor Leonardo DiCaprio speaks during the Neighborhood Inaugural Ball. (Reuters)

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Vide President Joe Biden and wife Jill take a spin on the dance floor at the Commander-in-Chief's Ball at the National Building Museum. (Lois Raimondo/Post)

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The president and first lady dance to Beyonce's rendition of "At Last" at the Neighborhood Inaugural Ball, their first stop of the evening. (Rick Wilking/Reuters)

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Sean "Diddy" Combs, Mary J. Blige, Faith Hill, Denzel Washington, Trudie Styler and Sting the action at the Neighborhood Inaugural Ball. (Reuters)

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The president and first lady dance to Beyonce's rendition of "At Last" at the Neighborhood Inaugural Ball, their first stop of the evening. (Rick Wilking/Reuters)

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Michelle and Barack Obama dance to Beyonce's rendition of "At Last" at the Neighborhood Inaugural Ball, their first stop of the evening. (Reuters)

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Queen Latifah introduces a performance by Mary J. Blige while surrounded by guests at the Neighborhood Inaugural Ball in Washington, D.C. (Reuters)

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Mary J. Blige performs at the Neighborhood Inaugural Ball in Washington, D.C. (Alex Brandon/AP)

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Amanda Boswell and Christian Wallace pause for a kiss at the Commander-in-Chief inaugural ball at the National Building Museum. (Lois Raimondo/Post)

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A pair of guests take a break at the Commander-In-Chief's inaugural ball, which honors the military. (Lois Raimondo/Post)

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The 12-and-under crowd at the People's Inaugural Project Children's Ball get down to a DJ's tunes (with their parents in tow). (Tracy A. Woodward/Post)

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Weary ball-goers rest their feet and wait for friends and coats on the steps inside the Convention Center. (Debra Lindsey/Post)

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A crowd of guests mingles at the Commander-in-Chief's inaugural ball, which honors the military. Jon Bon Jovi will headline the event's talent lineup and George Lopez will emcee. (Lois Raimondo/Post)

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Rowan Forkin, 4 months, attends his first inaugural ball --the Commander-in-Chief's Inaugural Ball at the National Building Museum -- with his mother, Liz Forkin. (Lois Raimondo/Post)

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Jackie Washington joins a line dance at the Black Tie and Boots Ball. (Andrea Bruce/Post)

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Comedian Sarah Silverman and actress Jessica Alba attend the Post Pre-Inaugural Ball hosted by The Huffington Post and MySpace at The Newseum in Washington, D.C. (Joe Kohen/Getty)

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Actress Teri Hatcher and daughter Emerson attend the Post Pre-Inaugural Ball hosted by The Huffington Post and MySpace at The Newseum in Washington, D.C. (Joe Kohen/Getty)

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Unabashed Obama enthusiast Oprah Winfrey is the star attraction at The Root ball on Sunday night. (The Root)

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All eyes are on Moby as he deejays the Manifest Hope: Inauguration Party on Monday night. (Mitchell Layton/Getty)

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Spike Lee and his wife Tonya make the scene at The Root party at the Newseum. (The Root)

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Comedian/actor Chris Tucker is part of the A-list crowd at The Root ball. (The Root)

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Designer Diane von Furstenberg arrives at The Root ball sans entourage. (The Root)

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Ashton Kutcher and Demi Moore attend the Post Pre-Inaugural Ball hosted by The Huffington Post and MySpace at The Newseum in Washington, D.C. (Joe Kohen/Getty)

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Michelle Obama dances with daughter Malia at the Inaugural Youth Concert. (Lois Raimondo/Post)

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Nick, Joe and Kevin Jonas perform at the Youth Concert at Verizon Center. (Lois Raimondo/Post)

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Sharon Stone attends the Post Pre-Inaugural Ball hosted by The Huffington Post and MySpace at The Newseum in Washington, D.C. (Joe Kohen/Getty )

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President-elect Barack Obama introduces his former political rival Sen. John McCain at a bipartisan dinner in the National Building Museum in Washington, D.C. (Joshua Roberts/Getty)

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Shakira attends the Post Pre-Inaugural Ball hosted by The Huffington Post and MySpace at The Newseum in Washington, D.C. (Joe Kohen/Getty )

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Ann Dougherty and Victor Golkow dance at the Delaware State Society Inaugural Ball. (Brendan Hoffman/Getty)

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Never too formal to line dance: Guests break out their coordinated moves at the Black Tie and Boots Ball, held at the Gaylord National Resort and Convention Center. (Andrea Bruce/Post)

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Honoree and co-host LL Cool J arrives at the Hip Hop Summit Action Network Inaugural Ball. (Nancy Ostertag/Getty)

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Oprah hobnobs at The Root Inaugural Ball. (Courtesy of The Root)

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Young Jeezy, and T.I. arrive at the Hip Hop Summit Action Network Inaugural Ball. (Nancy Ostertag/Getty )

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Model Cherie Burns-Scurry and fashion designer and stylist Glynn Jackson make a chic pair at The Root Inaugural Ball. (Marvin Joseph/Post)

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Miley Cyrus performs during "The Kids' Inaugural: We Are The Future," in Washington, D.C. (Brendan Smialowski/Getty)

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San Francisco mayor Gavin Newsom and Arianna Huffington stand together at The Huffington Post Pre-Inaugural Ball. (Reuters)

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Dustin Hoffman arrives at The Huffington Post Pre-Inaugural Ball with his wife Lisa. (Reuters)

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Actor Michael J. Fox drops by The Huffington Post Pre-Inaugural Ball. (Reuters)

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Producer Tracey Edmonds arrives at The Huffington Post Pre-Inaugural Ball. (Reuters)

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Melinda Walker dances with her brother Billy Ray Walker at the Black Tie and Boots Ball. (Andrea Bruce/Post)

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Debbie Carter and Leslie Guidry mingle at the Black Tie and Boots Ball. (Andrea Bruce/Post)

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Actress Tracee Ellis Ross arrives at The Huffington Post Pre-Inaugural Ball in Washington, D.C. (Reuters)

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Muhammad Ali moves a bust of Abraham Lincoln while being honored at the Bluegrass Ball. (Luis M. Alvarez/AP)

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Larry David arrives at The Huffington Post Pre-Inaugural Ball. (Reuters)

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Boxing promoter Don King arrives at The Huffington Post Pre-Inaugural Ball. (Reuters)

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Will.i.am arrives at the 2009 Green Inaugural Ball with -- is that a scowl? (Justin Sullivan/Getty)

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John Legend paired this dapper suit with sneakers at the 2009 Green Inaugural Ball. (Justin Sullivan/Getty)

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Lisa Ling and Michael Franti arrive at the 2009 Green Inaugural Ball.(Justin Sullivan/Getty )

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Damon Weaver, a 10-year-old reporter at Canal Point Elementary in Palm Beach County, Fla., interviews actors Sonja Sohn, left, and Jamie Hector from HBO's "The Wire." (Marvin Joseph/Post)

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These kids know how to party: young guests are rapt with attention at "The Kids' Inaugural: We Are The Future," in Washington, D.C. The event featured the Jonas Brothers, Miley Cyrus and other tween favorites. (Brendan Smialowski/Getty )

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Sisters Nadia and Carin Pinto pose with a cut-out of President-elect Barack Obama at The Root Inaugural Ball. (Marvin Joseph/Post)

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The crowd at The Root Inaugural Ball makes with the partying. (Marvin Joseph/Post)

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Well-dressed guests at The Root Inaugural Ball line up along the velvet rope to get a glimpse of the celebrity attendees as they arrive. (Marvin Joseph/Post)

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Guests angle for photos as President-elect Barack Obama and his former political rival Sen. John McCain attend a bipartisan dinner in the National Building Museum on January 19. (Joshua Roberts/Getty)

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A mariachi band performs for the crowd gathered at Union Station for the Latino Inaugural Ball. (Alfredo Duarte Pereira/El Tiempo Latino)

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First Lady Laura Bush sparkled at the Salute to Heroes Ball at the Capitol Hilton. (Rich Lipski/Post)

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Rosario Dawson addresses the crowd at the Latino Inaugural Gala at Union Station. (Alfredo Duarte Pereira/El Tiempo Latino)

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Carrie Fisher and Judy Cooper, D.C. Chapter president of the Pajama Program, attend the Obama Pajama Party charity ball on Sunday. (Abby Brack/Getty)

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For guests and photographers at The Root Inaugural Ball, Oprah is the center of attention. (Tammy Haddad)

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Party-goers' celebrations extend even to accessories. (Tammy Haddad)

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Singer Marc Anthony and Jennifer Lopez are part of the star-studded lineup at the Latino Inaugural Gala at Union Station on Sunday night. (Sarah L. Voisin/Post)

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Actress Jessica Alba and actor Jamie Foxx attend a pre-inauguration party on Sunday hosted by Tropicana at the Renaissance Washington Hotel. (Michael Loccisano/Getty Images)

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Maria DeLeon of Nashville, Tenn. dances to Marc Anthony at the Latino Inaugural Gala. (Sarah L. Voisin/The Washington Post)

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Mexican pop singer/actress Paulina Rubio and husband Colate Vallejo-Najera attend the Latino Inaugural Gala. Rubio performed "Ni Una Sola Palabra" and "Yo No Soy Esa Mujer." (AP/Evan Agostini)

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Actor Rick Shroder and his wife Andrea make the pre-inauguration rounds. (Michael Loccisano/Getty Images)

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U2 bandmembers (L-R) Adam Clayton, Bono, Larry Mullen Jr. and The Edge pose after arriving in D.C. The band is scheduled to play at the "We Are One" concert at the Lincoln Memorial on Sunday. (Kevin Mazur/Getty Images)

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All four floors of "The Park" are jammed on the Friday night before the inauguration. (The Washington Post)

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Melannie White (left), Cheree Eldridge along with Adrian Cason (back) find a spot to dance at "The Park" which was jammed on the Friday night before the inauguration. (The Washington Post)

Actor Samuel L. Jackson and actress Gabrielle Union with host Debra Lee (Chairman and CEO of BET Holdings) at a cocktail party at her home in Washington, D.C. (Richard A. Lipski/Post)

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Earvin "Magic" Johnson (left) with actor Samuel L. Jackson at a cocktail party in Washington, D.C. (Richard A. Lipski/Post)

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The Franklin Country Day Montessori School hosted a Preschool Inaugural ball. A mock swearing-in ceremony featured "Secret Service agents" Noel George (left) and Christina Liu. (Sarah L. Voisin/Post)