What do you say when you meet former PresidentBarack Obama? If you’reAnna Kendrick, you use colorful language.

The 33-year-old actress revealed on Friday’sThe Late Show with Stephen Colbertthat she accidentally called Obama an “a——” during an intimate campaign event with him in Los Angeles back in 2012.

Her slip up came after Obama called out Kendrick while discussing the economy and the recession, noting to the crowd of 30 howUp in the Air— her 2009 movie withGeorge Clooney— was one of his favorites and tackled both topics.

After his speech, Obama apologized to Kendrick one-on-one, telling her, “I hope I didn’t embarrass you earlier?”

She responded with her instinctual wit. “Yeah, you’re such an a——,” a comment she recalled onThe Late Showwith total shock.

Randy Shropshire/Getty Images; YORGOS KARAHALIS/AFP/Getty Images

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That wasn’t the only thing Kendrick told Obama.

The Maine native teased Obama about being the first person to arrive at the event, to which he asked her, “Are people from Maine really punctual?”

“And I was like, ‘You didn’t know that? You’re the president!'” Kendrick recalled

“What can I say?” she wrote. “I’m hilarious.”

As exciting as it was to meet Obama, Kendrick also told Colbert about a “much more important” meeting she had withBeyoncé.

“It was magical,” Kendrick said of their encounter. “I met her once at the Grammys and I kind of had a fangirl moment. And then I was lucky enough to go to the Grammys a second time and I saw her in the hallway waiting for the elevator. And she said, ‘I just want to say Blue, my daughter’ — [who was] right there with her — ‘she loves you.’ And I was like, ‘That’s great news because Blue is going to be our intergalactic overlord at some point.’ ”

“I’m assuming Blue was a fan of Poppy fromTrolls.But maybe she lovesThe Accountant? I don’t know. She could be very mature for her age. It was a great moment. But I’m glad to know that my future is secure.”

Mei Tao

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RELATED VIDEO: See theA Simple FavorMoving Posters

Kendrick is currently starring alongsideBlake Livelyin the twisty thrillerA Simple Favor,out now.

To promote the picture, the film released a series of cheeky moving posters — all of which give a wink and nod to classic Americana, but with a distinctly dark twist.

“Our Domestic Bliss Series is our way of having fun with the audience’s expectations of what they think this movie will be,” Feig told PEOPLE. “It’s a slice ofSaturday Evening Post, a dollop ofBad Housekeepingand a generous sprinkling of theHaunted Mansionon top.”

source: people.com