George W. Bush walked past Donald Trump and gave Barack Obama a tap on the belly as he arrived at his seat for Jimmy Carter’s funeral service on Thursday. A two-second video of the interaction between the former presidents went viral,

Former President George W. Bush's casual greeting of former President Barack Obama at Jimmy Carter's state funeral is going viral online. Obama was seated next to President-elect Donald Trump and his wife,

As former President George W. Bush headed to his seat former President Jimmy Carter’s funeral, he gave fellow former President Barack Obama a “belly tap” in an ultimate dad move that's gone viral.

It did look very friendly, I must say. I didn’t realize how friendly it looked,’ Trump says of interaction with Obama during funeral

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.)