Former Trump White House adviser Steve Bannon complained about George W. Bush not shaking Donald Trump’s hand while the two attended the funeral for former President Jimmy Carter Thursday in Washington,

George W. Bush gave fellow former president Barack Obama a friendly belly tap at the Jan. 9 funeral of Jimmy Carter, and the internet was obsessed with the viral moment.

George W. Bush's unlikely friendship with the Obamas once again on display on Jan. 9, when the Republican gave Barack Obama a friendly greeting at the state funeral for Jimmy Carter

Trump is obviously no fan of Biden, but Obama and his veep also have a famously complex relationship, only made more so after Obama helped nudge Biden to quit the presidential race last summer. Surely Obama feels some frustration that Biden fumbled a possibly winnable race; maybe he couldn’t help spill to his sworn enemy?

Former President George W. Bush greeted his successor President Barack Obama at President Jimmy Carter's funeral in a way which caught viewers' attention Thursday. The moment, caught on camera, showed the Republican tap the Democrat's belly as he approached his seat at the Washington National Cathedral.

Donald Trump shook hands with Mike Pence at Jimmy Carter's state funeral -- a notable exchange as the two men have not interacted publicly in years.

Former US presidents and vice presidents attended the funeral of the 39th President Jimmy Carter on Thursday in Washington, D.C.

George W. Bush gave fellow former president Barack Obama a friendly belly tap at the Jan. 9 funeral of Jimmy Carter, and the internet was obsessed with the viral moment.

Former President George W. Bush declined to shake the hand of President-elect Donald Trump at former President Jimmy Carter's funeral.As the former presidents were seated at the Washington National Cathedral on Thursday,

Bush has been largely absent from politics since leaving the White House, but has been critical of the GOP under Trump's leadership

The former president and once-again-future president, who are historically something less than besties, chatted it up before the service began. (Michelle Obama was not in attendance.)