Mariska Hargitay and Ice-T both brought their significant others to a party on Wednesday celebrating a major milestone for their NBC show.

The 52-year-old actress wore a lacy short-sleeved black dress as TV Guide Magazine celebrated the 400th episode of her series Law & Order: Special Victims Unit at the Gansevoort Park Avenue in New York City.

Mariska attended the bash with her actor husband Peter Hermann who looked dapper in a blue suit.

Television star: Mariska Hargitay donned a black lacy dress on Wednesday to celebrate the 400th episode of Law & Order: Special Victims Unit in New York City

Her co-star Ice-T, 58, wore typical all-black including a Los Angeles cap.

He was accompanied by his wife Coca Austin, 37, who showed her curves in a tight yellow floral print dress.

Mariska smiled while standing next to a poster-size cover of TV Guide with her on the cover marking the show’s 400th episode.

She also teamed up with show creator Dick Wolf, 70, who started the whole Law & Order franchise.

Number one: Ice-T and Mariska both wore all-black to the party hosted by TV Guide

Michelle Hurd, 50, stood out in a dress that featured a black blouse with white hearts and a colorful skirt.

Kelli Giddish, 36, and 400th episode guest star Sarah Wynter also were at the bash.

Series regulars Peter Scanavino, Kelli, Ice-T and Mariska were spotted goofing around and enjoying a laugh together.

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