Brad Pitt just found out about the internet’s response to his new photoshoot for GQ magazine, and he had a priceless reaction.

“I don’t know what that means,” Pitt said to “Entertainment Tonight’s” Keltie Knight at LA’s The Cinerama Dome on Wednesday after she told him that his spread in the October 2019 issue “broke the internet.”

Knight went on to show the “Ad Astra” star one Twitter meme and a comment from a user who wrote: “Happy Monday to Brad Pitt and his GQ photographer. 55 looks good on him. Lordt.”

In response, Pitt asked: "What is lordt?"

After being told that the tweet was a compliment and meant that he "was looking fly," the actor said: "I am so unsavvy with the old internet."

Read more: 10 things you probably didn't know about Brad Pitt

Pitt's GQ cover story was released on Monday and immediately sent fans online into a frenzy.

https://twitter.com/itsbrookeluv/status/1173720716073734144?ref_src=twsrc%5Etfwhttps://twitter.com/clvffbooth/status/1173611367703748609?ref_src=twsrc%5Etfwhttps://twitter.com/christiansbale/status/1173570076978700288?ref_src=twsrc%5Etfwhttps://twitter.com/simona_ka/status/1173593762565636096?ref_src=twsrc%5Etfwhttps://twitter.com/TSONLYY/status/1173600606151426053?ref_src=twsrc%5Etfw

https://twitter.com/annalahal/status/1173628861055164421?ref_src=twsrc%5Etfwhttps://twitter.com/stephenstrcnge/status/1173594574289170432?ref_src=twsrc%5Etfw

Pitt has been in Hollywood since the '80s and his career has skyrocketed throughout the decades. He began with minor roles on "Another World" and "Growing Pains." The actor also had a small, but highly memorable, part in 1991's "Thelma and Louise."

He went on to star in films like "A River Runs Through It," "Interview With the Vampire," and "Fight Club." Pitt has also earned Oscar nominations for his roles in "The Curious Case of Benjamin Button" and "Moneyball."

In 2014, Pitt won his first Oscar for "12 Years a Slave," but not for acting. It was for producing the historical drama under his production company, Plan B Entertainment. He has also produced "Okja," "The OA," and Netflix's new drama film "The King."

In 2019, Pitt starred in Quentin Tarantino's "Once Upon a Time in Hollywood" and "Ad Astra."