Chelsea Clinton, embraces her mother, Democratic presidential candidate Hillary Clinton, after introducing her on the final day of the Democratic National Convention in Philadelphia, July 28, 2016.
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Chelsea Clinton carries her new born baby, Aidan, and is seen with her husband Marc Mezvinsky, and her parents Bill and Hillary Clinton on June 20, 2016, in New York City.
Chelsea Clinton speaks at the Clinton Global Initiative closing session, on Sept. 29, 2015, in New York City.
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Chelsea Clinton signs copies of her new book "It's Your World" at Politics & Prose Bookstore, on Sept. 24, 2015, in Washington.
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Chelsea Clinton, pregnant with her first child Charlotte Clinton Mezvinsky, at the 8th Annual Clinton Global Citizen Awards at Sheraton Times Square on Sept. 21, 2014 in New York City.
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Activist and U2 front man Bono, Chelsea Clinton and Edun founder Ali Hewson, attend the Edun show during Mercedes-Benz Fashion Week Fall 2014 on Feb. 9, 2014, in Brooklyn, New York.
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Chelsea Clinton speaks onstage as left to right, Njabulo Ndebele, Bill Clinton, and Strive Masiyiwa look on. She appeared at the "Embrace Tomorrow - A Conversation Without Borders" program hosted in conjunction with the Nelson Mandela Foundation at the Pretoria Parade Grounds, on Aug. 7, 2013, in Pretoria, South Africa.
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Chelsea Clinton, Special Correspondent for NBC News, moderated one of the panels during the 2013 Education Nation Summit.
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Chelsea Clinton visits with former U.S. Secretary of State Madeleine Albright during the seventh annual meeting of the Clinton Global Initiative (CGI) at the Sheraton New York Hotel on September 21, 2011 in New York City.
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In this handout image provided by Barbara Kinney, Marc Mezvinsky, former Secretary of State Hillary Clinton, Chelsea Clinton and former President Bill Clinton pose during the wedding of Chelsea Clinton and Marc Mezvinsky at the Astor Courts Estate, July 31, 2010 in Rhinebeck, N.Y.
Chelsea Clinton stood with her mother, New York senator and former presidential candidate Hillary Clinton, during the 2008 Democratic National Convention in Denver, on August 26, 2008.
Chelsea Clinton visited with Nelson Mandela as the two attended the dinner in honor of Nelson Mandela, celebrating his 90th birthday, at Hyde Park, London on June 25, 2008.
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Former President Bill Clinton, his daughter Chelsea, and US Senator Hillary Clinton wave as they leave Chelsea's graduation ceremony from Stanford University in Stanford, California, June 17, 2001.
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President George W. Bush and first lady Laura bid farewell to former President Bill Clinton and daughter Chelsea after inaugural ceremonies, January 20, 2001, at the US Capitol in Washington, DC.
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Chelsea Clinton walked with her parents, President Bill Clinton and First Lady Hillary as they departed the White House on August 18, 1998 on their way to a two-week vacation in Martha's Vineyard, Massachusetts. Clinton gave his testimony August 17th to a federal grand jury in which he admitted to an improper relationship with former White House intern Monica Lewinsky.
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President Bill Clinton, First Lady Hillary Rodham Clinton, and their daughter Chelsea, leave Stanford Memorial Church, May 3, 1998 at Stanford University in Palo Alto, Calif. after attending morning services.
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President Bill Clinton along with daughter Chelsea jog along West Tisbury Road in Edgartown on Martha's Vineyard, August 19, 1997.
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President Bill Clinton and First Lady Hillary Clinton with daughter Chelsea, shown holding her diploma from Sidwell Friends Academy in Washington, after the graduation ceremony, June 6, 1997. Clinton gave the commencement address to the group of graduating seniors.
Chelsea Clinton joined her mother, First Lady Hillary Rodham Clinton as they held babies during a September 1997 visit to Mother Teresa's orphanage in Calcutta, India.
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Chelsea Clinton, 17-year-old daughter of President Bill Clinton, performs before her parents and others in the annual spring performance of the young dancers of the Washington Ballet at Lisner Auditorium in Washington, May 22, 1997. It was her last performance with the group before attending Stanford University in the fall.
President Bill Clinton, First Lady Hillary, and daughter Chelsea, wave to the crowd as they walk the inaugural parade route, Jan. 20, 1997 in Washington. Earlier, Clinton was sworn in on Capitol Hill for his second term as US president.
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Portrait of President Bill Clinton, daughter Chelsea and wife Hillary Rodham Clinton vacation on Martha's Vineyard, August 1, 1993.
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President Bill Clinton and his daughter Chelsea are accompanied by Secret Service agents as they walk back to the White House May 23, 1993 after shopping at a downtown book store.
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President Bill Clinton, with daughter Chelsea inside the Oval office at the White House in 1993.
President Bill Clinton chats with New York Governor Mario Cuomo as Texas Governor Ann Richards and Clinton's daughter Chelsea watch Super Bowl XXVII, January 31. 1993 on TV. Chelsea is shown holding Socks, the cat.
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Chelsea Clinton joined her parents, President Bill Clinton and First Lady Hillary Rodham Clinton as he took the oath of office, January 1993.
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Hillary Rodham Clinton held her daughter Chelsea during a farewell address to the people of Arkansas at an airport rally in Little Rock, Jan. 16, 1993. The Clinton family then left for Charlottesville, Virginia for the start of the planned bus trip to Washington, DC.
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Chelsea Clinton looked on as her father, President-elect Bill Clinton and Vice President-elect Al Gore acknowledge the crowd Nov. 3, 1992 at the Old State House in Little Rock, Arkansas.
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Hillary Rodham Clinton and daughter Chelsea during Bill Clinton's presidential campaign bus tour, Oct. 26, 1992.
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Hillary Rodham Clinton and Chelsea cheering for presidential nominee Bill Clinton on the floor of Democratic National Convention, July 1, 1992.
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Arkansas Gov. Bill Clinton and daughter, Chelsea, 6, leave the voting booth after the governor cast his vote during the Democratic primary in Little Rock, Ark., on May 27, 1986. Clinton is being challenged by former Arkansas Gov. Orval Faubus and W. Dean Goldsby.
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Bill and Hillary Clinton with their daughter, Chelsea, in this undated photo.
William J. Clinton Presidential Library