Pitt, 48, and Jolie, 36, are officially betrothed, according to multiple reports.
"Yes, it's confirmed," Pitt's manager told People magazine. "It is a promise for the future and their kids are very happy. There’s no date set at this time."
The couple met on the set of the 2005 film "Mr. & Mrs Smith," which they co-starred in. The pair have six children, both adopted and biological, together.
Pitt was previously married to former "Friends" actress Jennifer Aniston.