Former President George W. Bush was spotted at the inauguration of Donald Trump. See pictures of the former president here.

Barack Obama jokingly called out “nope” when a staff member to George W. Bush asked him if he was going to behave at Donald Trump’s inauguration on Monday. Obama, 63, smirked and shook his head as he made the comment,

Before everyone entered the Rotunda, a staffer approached Bush and teasingly asked him “Are you going to behave?” but before he could respond, Obama chimed in from behind with a “Nope,” which was objectively hilarious. They also shared a moment during Obama’s entrance that had Bush cracking up and left people guessing what he possibly said.

Presidential scholars say it's not worth it for Bush to get involved in public spats with Trump and say it will only hurt him in the history books.

Obama, the 44th president, attends 60th inauguration solo as former First Lady Michelle Obama skips Trump’s inauguration

George W. Bush's unlikely friendship with the Obamas once again on display on Jan. 9, when the Republican gave Barack Obama a friendly greeting at the state funeral for Jimmy Carter

Ahead of entering the rotunda, a Washington Post correspondent shared a video of former President Obama and Bush joking with each other. As they lined up for their entrance, a Washington staffer asked Bush, jokingly, if he was going to behave. Obama, who was right behind George Bush in line, answered for him sarcastically, saying. “Nope.”

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.

The latest line of U.S. carriers is named for Gerald R. Ford, and another of the multi-billion-dollar ships bears John F. Kennedy's name.

The Navy vessels will be the first to bear the names of former presidents William J. Clinton and George W. Bush.

Today, @USNavy named two future Gerald R. Ford-class aircraft carriers as the future USS William J. Clinton (CVN 82) and USS George W. Bush (CVN 83). Like their namesakes, these two future carriers, and the crews who sail them, will work to safeguard our national security, remind… pic.twitter.com/lrLMW8fFFi

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.