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.)

By now, you've likely seen the video of Donald Trump and Barack Obama chatting at Jimmy Carter's funeral that's been making the rounds. In short, the pair can be seen looking surprisingly chummy sitting next to one another.

President-elect Trump opened up a little about his interaction with former President Obama at the funeral service for former President Carter on Thursday, acknowledging it looked “friendly.” “It did look very friendly,

Donald Trump said he "didn't realize" how "friendly" he and President Obama appeared at Jimmy Carter's state funeral.

The two men were seated next to each other at the National Cathedral in Washington, D.C., talking before Carter’s funeral officially started. Trump leaned in to say something to Obama, who listened before laughing and smiling as Trump continued to speak into Obama’s ear.

After Trump launched his bid for his first term in office in 2015, Obama, then-president, mocked his chances of ever assuming the nation’s office. The incident, which occurred on a late-night comedy show, went viral after Trump went on to win the presidency not once but twice.

The president-elect said he "didn't realize" one thing about the exchange at Jimmy Carter's funeral until he saw footage of it.