Lady GaGa played at the White House Staff Ball to celebrate President Barack Obama's inauguration, Jan. 22, 2013.

Lady GaGa played at the White House Staff Ball to celebrate President Barack Obama's inauguration, Jan. 22, 2013.

President Barack Obama dances with first lady Michelle Obama at the Commander-in-Chief Ball, Jan. 21, 2013, in Washington, DC. Pres. Obama was sworn-in for his second term as president during a public ceremonial inauguration earlier in the day.

President Barack Obama and first lady Michelle Obama dance together at the Commander-in-Chief Inaugural Ball in Washington, at the Washington Convention Center during the 57th Presidential Inauguration, Jan. 21, 2013.

President Barack Obama and first lady Michelle Obama dance as Jennifer Hudson sings at the Commander-In-Chief's Inaugural Ball Jan. 21, 2013 in Washington, DC.

Stevie Wonder performs during the Inaugural Ball at the 57th Presidential Inauguration in Washington, Jan. 21, 2013.

Jennifer Hudson sings as President Barack Obama and first lady Michelle Obama dance together at an Inaugural Ball, Jan. 21, 2013, at the Washington Convention Center in Washington, during the 57th Presidential Inauguration.

President Barack Obama and First Lady Michelle Obama attend the Commander-in-Chief's Ball, honoring US service members and their families, at the Walter E. Washington Convention Center, Jan. 21, 2013 in Washington, DC.

President Barack Obama addresses the Commander-in-Chief's Ball, honoring US service members and their families, at the Walter E. Washington Convention Center, Jan. 21, 2013 in Washington, DC.

Vice President Joe Biden and his wife Jill Biden dance at the Inaugural Ball, Jan. 21, 2013, at the Washington Convention Center in Washington, during the 57th Presidential Inauguration.

The Mexican pop rock band Mana performs during the Inaugural Ball at the 57th Presidential Inauguration in Washington, Jan. 21, 2013.

Singer Alicia Keys performs during the during the Commander-In-Chief's Inaugural Ball Jan. 21, 2013 in Washington, DC.

First lady Michelle Obama cheers as President Barack Obama watches from the viewing box as the presidential inaugural parade winds through the nation's capital, Jan. 21, 2013 in Washington, DC.

The South Shore Drill Team of Chicago perform during President Barack Obama's inaugural parade in Washington, Jan. 21, 2013, following the president's ceremonial swearing-in ceremony during the 57th Presidential Inauguration.

Parade marchers perform in front of in the presidential box during the Presidential Inaugural Parade, Jan. 21, 2013, in Washington, DC.

President Barack Obama kisses first lady Michelle Obama as their daughters Sasha, left, takes a photo with her smartphone during the Inaugural parade, Jan. 21, 2013, in Washington.

First lady Michelle Obama poses for photographs for her daughter Malia during the inaugural parade, Jan. 21, 2013, in Washington.

President Barack Obama, left, shakes hands with Vice President Joe Biden in the presidential box while viewing the parade during the inauguration in Washington, Jan. 21, 2013.

Sasha Obama, Malia Obama,first lady Michelle Obama, President Barack Obama, Chief of Staff of the Army General Raymond Odierno and Vice President Joe Biden watch from the viewing box as the presidential inaugural parade winds through the nation's capital January 21, 2013 in Washington, DC.

President Barack Obama walks down Pennsylvania Avenue during the Inaugural parade after Obama was sworn in for a second term as the 44th President of the United States in Washington, Jan. 21, 2013.

Robert Oslay, in the background, and his daughter Cheyenne, 4, attend the 57th presidential inauguration on the National Mall featuring an address by President Barack Obama.

The Inaugural Parade begins along Pennsylvania Avenue following the second inauguration of President Barack Obama, Jan. 21, 2013 in Washington, DC.

President Barack Obama, first lady Michele Obama, left, Army Major General Michael Linnington, Joint Forces Headquarters, National Capitol Region, center, and Vice President Joe Biden and his wife Jill Biden, place their hands over their hearts as they review the troops following his ceremonial swearing-in during the 57th Presidential Inauguration at the U.S. Capitol in Washington, Jan. 21, 2013.

President Barack Obama and First Lady Michelle Obama wave as they walk along Pennsylvania Avenue during the parade following Obama's second inauguration as the 44th US president, Jan. 21, 2013 in Washington, DC.

The ceremonial guard marches away from the US Capitol at the start of the parade following US President Barack Obama's second inauguration as the 44th US president, Jan. 21, 2013, in Washington, DC.

Attendees greet newcomers as they enter the National Mall during the U.S. presidential inauguration in Washington, D.C., Jan. 21, 2013.

President Barack Obama, makes a toast with his wife first lady Michelle Obama, during a luncheon after his ceremonial swearing-in on Capitol Hill in Washington, Jan. 21, 2013.

President Barack Obama and first lady Michelle Obama walk down Pennsylvania Avenue during the 57th Presidential Inauguration parade, Jan. 21, 2013, in Washington.

President Barack Obama waits in his limousine for the start of the Inaugural Parade following the Presidential review of the troops on the east side of the Capitol in Washington, Jan. 21, 2102, following his inaugural address and ceremonially swearing-in during the 57th Presidential Inauguration.

President Barack Obama and first lady Michelle Obama ride in the presidential limousine during the 57th Presidential Inauguration parade, Jan. 21, 2013, in Washington.

Kendra King, of Atlanta, cheers for President Barack Obama on National Mall during the 57th presidential inauguration ceremony.

The motorcade of President Barack Obama heads up Pennsylvania Avenue to the U.S. Capitol for the 57th Presidential Inaugural, Jan. 21, 2013 in Washington.

First lady Michelle Obama arrives on Capitol Hill in Washington, Jan. 21, 2013, for President Barack Obama's ceremonial swearing-in ceremony during the 57th Presidential Inauguration.

Bernice King, center right, and Christine King Farris, center left, the daughter and sister of Dr. Martin Luther King Jr., applaud while watching a broadcast as President Barack Obama is inaugurated following the Dr. Martin Luther King Jr. holiday commemorative service at the Ebenezer Baptist Church in Atlanta, Jan. 21, 2013.

From left, Sen. Lamar Alexander, R-Tenn., First lady Michelle Obama, President Barack Obama, Speaker of the House John Boehner, R-Ohio, Vice President Joe Biden, House Minority Leader Nancy Pelosi, D-Calif., and Jill Biden pause to pay their respects at the Martin Luther King, Jr. statue in the Capitol rotunda as they leave the 2013 Inaugural Luncheon, Jan. 21, 2013.

US Vice President Joe Biden and his wife Dr. Jill Biden walk along Pennsylvania Avenue during the parade following Obama's second inauguration as the 44th US president on Jan. 21, 2013 in Washington, DC.

Republican Senator Lamar Alexander from Tennessee addresses President Barack Obama during the Inaugural Luncheon in Statuary Hall at the U.S. Capitol building, Jan. 21, 2013, in Washington D.C.

First lady Michelle Obama talks wtih House Speaker John Boehner at the Inaugural Luncheon in Statuary Hall at the U.S. Capitol building, Jan. 21, 2013, in Washington D.C.

President Barack Obama speaks at the Inaugural Luncheon in Statuary Hall on Inauguration day at the U.S. Capitol building, Jan. 21, 2013, in Washington D.C.

Former U.S. President Jimmy Carter, his wife Rosalynn Carter and U.S. Sen. Dianne Feinstein listen during the Inaugural Luncheon in Statuary Hall at the U.S. Capitol building, Jan. 21, 2013, in Washington D.C.

President Barack Obama, from left, with first lady Michelle Obama, Speaker of the House John Boehner, R-Ohio, and his wife Deborah Gunlack, attend a luncheon after his ceremonial swearing-in on Capitol Hill in Washington, Jan. 21, 2013.

Senator Lamar Alexander jokes with Vice President Joe Biden and his wife Dr. Jill Biden at the Inaugural Luncheon in Statuary Hall on Inauguration day at the U.S. Capitol building, Jan. 21, 2013, in Washington D.C.

Lunch is served at the Inaugural Luncheon in Statuary Hall on Inauguration day at the U.S. Capitol building, Jan. 21, 2013, in Washington D.C.

Former President Bill Clinton, left, greets Defense Secretary Leon Panetta, center, during a luncheon after the ceremonial swearing-in of President Barack Obama on Capitol Hill in Washington, Jan. 21, 2013.

Nominations for Sen. John Kerry, D-Mass. to be named Secretary of State, left, and for White House Chief of Staff Jacob Lew to be named Treasury Secretary, right, bear President Barack Obama's signature after the president signed them on Capitol Hill in Washington, Jan. 21, 2013, following the president's ceremonial swearing-in during the 57th Presidential Inauguration.

President Barack Obama signs a proclamation to commemorate the inauguration, entitled a National Day of Hope and Resolve, on Capitol Hill in Washington, Jan. 21, 2013, following his ceremonial swearing-in ceremony during the 57th Presidential Inauguration. From, left are, Vice President Joe Biden, House Speaker John Boehner of Ohio and House Majority Leader Eric Cantor of Va.

President Barack Obama laughs with Senate Majority Leader Sen. Harry Reid (D-NV), Sen. Lamar Alexander (R-TN), and Sen. Chuck Schumer (D-NY) after signing a proclamation to commemorate the inauguration, entitled a National Day of Hope and Resolve, directly after swearing-in ceremonies in the U.S Capitol, Jan. 21, 2013 in Washington, DC.

President Barack Obama pauses with his escorts before walking through the Lower West Terrace Door on Capitol Hill in Washington, Jan. 21, 201, for his ceremonial swearing-in ceremony during the 57th Presidential Inauguration.

U.S. President Barack Obama gestures while speaking during the 57th Presidential Inauguration in Washington, D.C., Jan. 21, 2013.

Attendee Dorothy Brown, of New York City, takes a photograph during the 57th Presidential Inauguration in Washington, Jan. 21, 2013.

People gather in front of the Washington Monument near the U.S. Capitol building on the National Mall while attending the 57th Presidential Inauguration, Jan. 21, 2013 in Washington, DC.

President Barack Obama arrives at the ceremonial swearing-in at the U.S. Capitol during the 57th Presidential Inauguration in Washington, Jan. 21, 2013.

Beyonce sings the national anthem at the ceremonial swearing-in at the U.S. Capitol during the 57th Presidential Inauguration in Washington, Jan. 21, 2013.

Kelly Clarkson performs "My Country Tis of Thee" during the presidential inauguration on the West Front of the U.S. Capitol, Jan. 21, 2013 in Washington, DC.

President Barack Obama receives the oath of office from Chief Justice John Roberts at the ceremonial swearing-in at the U.S. Capitol during the 57th Presidential Inauguration in Washington, Jan. 21, 2013.

U.S. Vice President Joe Biden is sworn in by Supreme Court Justice Sonia Sotomayor as wife Dr. Jill Biden and Supreme Court Justice Sonia Sotomayor Beau Biden look on during the presidential inauguration on the West Front of the U.S. Capitol, Jan. 21, 2013 in Washington, DC.

U.S. President Barack Obama is sworn in by Supreme Court Chief Justice John Roberts as First lady Michelle Obama and daughters, Sasha Obama and Malia Obama look on during the public ceremonial inauguration on the West Front of the U.S. Capitol, Jan. 21, 2013 in Washington, DC.

President Barack Obama arrives on the West Front of the Capitol in Washington, Jan. 21, 2013, for the Presidential Barack Obama's ceremonial swearing-in ceremony during the 57th Presidential Inauguration.

U.S. President Barack Obama kisses First lady Michelle Obama during the presidential inauguration on the West Front of the U.S. Capitol, Jan. 21, 2013 in Washington, DC.

Former president Bill Clinton and the current US Secretary of State Hillary Clinton arrive for the 57th Presidential Inauguration ceremonial swearing-in of President Barack Obama at the US Capitol, Jan. 21, 2013 in Washington, DC.

Chicago mayor Rahm Emanuel arrives with his wife Amy for the ceremonial swearing-in of President Barack Obama at the U.S. Capitol during the 57th Presidential Inauguration in Washington, Jan. 21, 2013.

Recording artists Jay-Z and Beyonce arrive at the presidential inauguration on the West Front of the U.S. Capitol, Jan. 21, 2013 in Washington, DC.

A crowd fills up the National Mall before at the ceremonial swearing-in of President Barack Obama at the U.S. Capitol during the 57th Presidential Inauguration in Washington, Jan. 21, 2013.

Former House Speaker Newt Gingrich and wife Callista Gingrich arrive for the presidential inauguration on the West Front of the U.S. Capitol, Jan. 21, 2013 in Washington, DC.

Eva Longoria arrives at the ceremonial swearing-in for President Barack Obama at the U.S. Capitol during the 57th Presidential Inauguration in Washington, Jan. 21, 2013.

Rev. Al Sharpton arrives at the presidential inauguration on the West Front of the U.S. Capitol, Jan. 21, 2013 in Washington, DC.

People attend the 57th Presidential Inauguration, Jan. 21, 2013.

School children attend the 57th Presidential Inauguration, Jan. 21, 2013 in Washington, DC. =

A vendor sells newspapers at the 57th Presidential Inauguration, Jan. 21, 2013.

Members of the Capitol Police stand guard atop the US Capitol before the 57th Presidential Inauguration, Jan. 21, 2013.

Rickita Glass, left, and Kelly Grimes and others gather near the U.S. Capitol building on the National Mall for the Inauguration ceremony, Jan. 21, 2013 in Washington, DC.

People wave American flags as people gather near the U.S. Capitol building on the National Mall for the Inauguration ceremony, Jan. 21, 2013 in Washington, DC.

President Barack Obama smiles as he arrives at St. John's Church in Washington, Jan. 21, 2013, for a church service during the 57th Presidential Inauguration.

US President Barack Obama, First Lady Michelle Obama and their daughters Sasha, and Malia arrive at St. John's Church, Jan. 21, 2013 in Washington, DC, hours before Obama participates in a ceremonial swearing in for a second term in office.

US President Barack Obama, First Lady Michelle Obama and her mother Marian Robinson are greeted by Rev. Luis Leon as they arrive at St. John's Church, Jan. 21, 2013 in Washington, DC, hours before Obama participates in a ceremonial swearing in for a second term in office.