Donald Trump will be sworn in for a second term as president next week—with every living former president, billionaires like Elon Musk and Mark Zuckerberg, Carrie Underwood, the Village People and several foreign leaders getting invitations.

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

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.