'Law & Order ' star Christopher Meloni writes he and his wife are '#keepingitweird' to celebrate 26 years of marriage

• Christopher Meloni and his wife Sherman Williams celebrated 26 years of marriage.
• Meloni commemorated their anniversary with an Instagram post featuring two photos.
• "26 years of … well … it's hard to explain #partnerincrime #keepingitweird," he wrote in a caption.

Christopher Meloni and wife Sherman Williams know how to keep things fresh after 26 years of marriage.

On Thursday, the "Law and Order: SVU" star celebrated his wedding anniversary by sharing a throwback photo on Instagram, featuring himself and his wife on a beach sharing a kiss. It was paired with a recent selfie that had artwork, featuring a wine glass and handcuffs, in the background.

"How it started… how it's goin. 26 years of…well… it's hard to explain #partnerincrime #keepingitweird," Meloni captioned the picture.

A post shared by Chris Meloni (@chris_meloni)

The two met in 1989 on a television set where Meloni was working and Williams was also working as a production designer at the time, according to Good Housekeeping.

The couple share daughter Sophia, 20, and son Dante, 17.

Meloni is best known for portraying NYPD Detective Elliot on NBC's "Law & Order." He's currently reprising his role on the spinoff series, "Law & Order: Organized Crime," which premiered back in April.