As Jimmy Carter's funeral commences, former presidents and first ladies are spotted greeting each other prior to taking their seats, except for one pair.

Joe Biden, Donald Trump, Barack Obama, George W. Bush and Bill Clinton — reunited at Jimmy Carter's funeral service in Washington, D.C., on Jan. 9. Obama and Trump held a long conversation at the start of the event,

As former U.S. President Jimmy Carter's funeral got underway, former presidents and first ladies were seen greeting each other before heading to their seats — but some pointedly avoided the Trumps