Looking like a young Benjamin Button!
It's Fifty Shades of Brad, y'all.
The 51-year-old actor was out in London where he's filming his upcoming movie, War Machine, and in addition to sporting combat fatigues, Pitt has traded in his brunette look for a distinguished gray.
WATCH: Angelina Jolie Opens Up About Her Marriage: 'Brad and I Have Our Issues'
Holy Benjamin Button! Of COURSE Pitt is gonna age like a fine red wine from the top of the dome.
Meanwhile, Pitt and wife Angelina Jolie creatively reconnected this year in By the Sea. Jolie told Vogue last week that the film, which she wrote and directed, was their "honeymoon."
MORE: 40 Reasons Angelina Jolie Is the Ultimate Boss
"As artists we wanted something that took us out of our comfort zones," she said of the emotional movie. "Just being raw actors. It's not the safest idea. But life is short."
And while the film is autobiographical, 40-year-old Jolie points out that her and Pitt's marriage isn't as dramatic as the film.
WATCH: Hugh Jackman's Wife Says He's 'Not Allowed' to Work With Angelina Jolie
"Brad and I have our issues, but if the characters were even remotely close to our problems we couldn't have made the film," she told the publication. Jolie says she and Pitt referred to the script as the "crazy one" for years.
The movie did however, help the couple explore a roller coaster of human emotion.
PHOTOS: Real Life Couples That Meat Making Movies
"This is a story about a relationship derailed by loss, the tenacity of love and the path to recovery and acceptance," Jolie and Pitt told ET in a joint statement. "It has been a privilege to explore these universal human experiences with such a generous and talented cast and crew."
Watch the video below.