With neither president revealing what the pair spoke about, speculation has mounted about the details of their conversation.

A video showing Donald Trump and Barack Obama, two political rivals, engaging in a casual conversation at the state funeral of Jimmy Carter went viral last week.

The planned absence Monday follows another notable absence last week at the state funeral of former president Jimmy Carter.

President-elect Trump's arrival at former President Jimmy Carter's funeral spurred varied reactions from other presidential and vice presidential dignitaries.

Obama received an invitation to the luncheon but declined to attend the event. Meanwhile, sources also confirmed Clinton was invited as well but he does not plan to attend

Laura Bush and former Secretary of State Hillary Clinton will join their husbands for the Jan. 20 swearing-in ceremony at the Capitol, representatives said. “Former President Barack Obama is confirmed to attend the 60th Inaugural Ceremonies. Former first ...

Former first lady Michelle Obama will not attend President-elect Donald Trump's inauguration on Monday, Jan. 20.“Former President Barack Obama is confirmed to attend the 60th Inaugural Ceremonies,

Other former presidents and first ladies are expected to attend as are tech billionaires Elon Musk, Mark Zuckerberg and Jeff Bezos.

Michelle Obama will not join her husband, Barack Obama, at Donald Trump's second presidential inauguration, a spokesperson for the former first couple confirmed to PEOPLE on Tuesday, Jan. 14

Donald Trump will be sworn in for a second term as president Monday—with every living former president, billionaires like Elon Musk and Mark Zuckerberg, Carrie Underwood, the Village People and several foreign leaders getting invitations.

Three former presidents are not attending President-elect Donald Trump's inauguration lunch after the Republican is sworn into office on Monday, according to NBC News. Newsweek reached out to Trump's campaign for comment.