Former President George W. Bush was spotted at the inauguration of Donald Trump. See pictures of the former president here.

Former President Bill Clinton was in attendance at the inauguration ... former Secretary of State Hillary Clinton. Former ...

Former President Bill Clinton was in attendance ... former Secretary of State Hillary Clinton. Former presidents Barack Obama, George W. Bush and Joe Biden − who is leaving office Monday − ...

Former President George W. Bush attended the inauguration ... former first lady Laura Bush. Former Presidents Bill Clinton, Barack Obama and Joe Biden − who is set to leave office on Monday ...

FILE - President Bill Clinton with President-elect George W Bush on Dec. 19, 2000, in his first visit to the White House after winning the election. (Photo by David Hume Kennerly/Getty Images ...

Bill Clinton, George W. Bush, Barack Obama, Donald Trump, and Joe Biden. ROBERTO SCHMIDT//Getty Images The Clintons, the Bushes, Barack Obama, and the Trumps, seated in the second row. The Bidens ...

Bill and Hillary Clinton have arrived at Donald Trump ... Barack Obama, Joe Biden, and George W. Bush also wore blue suits and ties. Kamala Harris, meanwhile, wore a monochrome black ensemble ...

President George Bush has launched an investigation into what appears to be a systematic disabling of White House equipment by outgoing members of Bill Clinton's staff, and obscene messages left ...