As Barack, 63, Bill, 78, and Hillary, 77, entered the U.S. Capitol rotunda in Washington, D.C., on Monday for the 78-year-old’s historic swearing-in ceremony, people at the Capitol One Arena could be heard loudly booing.

Bill Clinton will attend Trump’s swearing-in ... Bush said he and former first lady Laura Bush are also attending. Michelle Obama was the only spouse absent at last week’s funeral service ...

Former President Barack Obama was spotted at the inauguration of Donald Trump. See pictures of the former president here.

Former first lady Michelle Obama will not attend the inauguration of President-elect Trump on Monday, the second time in two weeks that she will be absent from a significant event.

Along with former First Lady Michelle Obama, former House Speaker Nancy Pelosi will not attend Donald Trump's second inauguration on Monday. Published reports indicate that Chinese President Xi Jinping will send an envoy in his place, and that Hungarian Prime Minister Viktor Orban plans on skipping Trump's second inauguration.

A spokesperson for Pelosi, who attended Trump’s 2017 inauguration, did not provide an explanation for the move.

The inauguration was the second gathering of U.S. presidents and their spouses that Michelle Obama has missed in recent weeks.

The crowded dais in the Capitol Rotunda on Inauguration Day featured four of the world’s five wealthiest men, five U.S. presidents, tech titans and business moguls, and two foreign leaders with

Michelle Obama skipped the ceremony but former Presidents Joe Biden, Barack Obama, George W. Bush, and Bill Clinton attended Trump's inauguration.

The men who held the nation’s highest office before President Trump have all remained mum on his taking the presidency on Monday.

Former President Obama made a stag entrance as Michelle Obama was missing from Donald Trump‘s swearing-in ceremony. The former President attended the inauguration and swearing-in ceremony of Donald Trump as the next President,