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

Nearly two weeks after former U.S. President Jimmy Carter died at the age of 100, public figures including President-Elect Donald Trump and former President Barack Obama, gathered to honor him.

Presidents Clinton, Bush, Obama, Biden, and Trump were all at Washington National Cathedral today to honor Carter.

U.S. Former President Bill Clinton and former Secretary of State Hillary Clinton were among the guests at the State Funeral Service for former U.S. President Jimmy Carter on Thursday. The event was held at the Washington National Cathedral in Washington, D.C.

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

As a member of the elite, informal club of U.S. presidents past and present, Jimmy Carter was uniquely positioned to do important work for his successors, whether Democrat or Republican.

President Joe Biden spoke of his friendship with Jimmy Carter that started in 1974 when Biden was the first sitting Democratic senator to endorse the late president.

Former first lady Michelle Obama didn't attend the state funeral for former President Jimmy Carter. Except for Michelle Obama, all of the living former presidents and their spouses were at the funeral Thursday.

Photos at the funeral show President Joe Biden, president-elect Donald Trump and former presidents Bill Clinton, George W. Bush and Barack Obama and sitting in two adjacent rows. First ladies Hillary Clinton, Laura Bush, Jill Biden and Melania Trump were also in attendance.

Obama sat next to Trump and the two longtime political rivals chatted amiably as the dignitaries filed in for the service.

A significant gathering of leaders and family members honoring former president Jimmy Carter’s legacy are expected at his state funeral service on Thursday.