Jon Hamm is a married man.
The actor wed his “Mad Men” co-star Anna Osceola on Saturday at Anderson Canyon in Big Sur, Calif. — where they filmed the show’s 2015 series finale.
Hamm, 52, and Osceola, 35, beamed while saying “I do” during their star-studded ceremony overlooking the sea at sunset.
The bride stunned in a strapless white gown with a plunging neckline that also featured a thigh-high split revealing her strappy white heels.
She styled her red tresses in loose curls and opted for minimal jewelry and makeup, wearing only a dainty necklace and a bracelet.
Osceola was all smiles as she walked arm in arm with her groom, who looked dapper in a classic black tuxedo.
The location of their nuptials was famously used in the final “Mad Men” episode when Hamm’s character, Don Draper, came up with the iconic “Hilltop” Coca-Cola ad.
Slattery was even seen snapping photos of the groom on his cellphone before Osceola walked down the aisle to “You Only Live Twice” from the 1967 James Bond film of the same name.
Other A-listers in attendance included Paul Rudd, Larry David, Tina Fey, Brooke Shields and fellow newlywed Billy Crudup.
After the formal ceremony, the couple left to take photos before Osceola changed in to a midnight blue gown.
News of the pair’s engagement broke in February, though Us Weekly reported it had “happened a while back.”
Hamm and Osceola met on the set of “Mad Men” in 2014 and were subsequently spotted together on several occasions.
However, they were not romantically linked until 2020.
The notoriously private lovebirds — neither of whom use social media — were seen playing tennis together that May before enjoying a beach day in Santa Barbara, Calif., in September.
The “Top Gun: Maverick” actor eventually made his red carpet debut with Osceola in March 2022, stepping out for Mercedes-Benz’s Academy Awards viewing party followed by Vanity Fair’s annual afterparty.
Hamm later told Howard Stern he was “very much” in love with Osceola and “could for sure” see himself spending the rest of his life with her.
“It’s good and comfortable, and it’s a feeling about taking care of someone else and being taken care of,” he gushed of their relationship in September 2022.
The actor explained that his then-girlfriend had “opened up the possibility of things like being married, having kids, you know, defining a new version of happiness, life, wellness.”
Hamm was previously in a long-term relationship with actress and screenwriter Jennifer Westfeldt from 1997 to 2015.