Laura Prepon of 'Orange Is the New Black' Engaged to Actor Ben Foster | NBC Chicago

Laura Prepon of 'Orange Is the New Black' Engaged to Actor Ben Foster

The two have been linked since July

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    Evan Agostini/Invision/AP
    Laura Prepon attends the premiere of "The Girl on the Train" at the Regal E-Walk Theater on Tuesday, Oct. 4, 2016, in New York.

    It's been less than 24 hours and already two "Orange Is the New Black" stars have revealed they're engaged!

    Laura Prepon was walking the red carpet at the New York premiere of the highly anticipated thriller "The Girl on the Train" Tuesday when all eyes turned to her flashy ring finger. The 36-year-old proudly posed with her diamond ring as she and fiance Ben Foster made their red carpet debut as a couple. A source later confirmed the actors are indeed planning to wed.

    Prepon modeled a Nha Khanh dress, LK Bennett heels and carried an Inge Christopher clutch at the event.

    And while she and Foster have been spotted around the Big Apple during their downtime off set, the former star of "That '70s Show" and the "X-Men: The Last Stand" actor were linked as early as July.

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    Foster was mostly recently linked to "House of Cards" actress Robin Wright, but the two broke off their engagement last year after dating for over three years.

    Prepon was last romantically linked to Christopher Masterson, whom she split with in 2007.

    Earlier in the day, actress Samira Wiley of "Orange is the New Black" revealed she was engaged to Lauren Morelli, a writer and producer on the hit Netflix series.

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    She posted a photo on Instagram with her fiancee and a gorgeous diamond ring with one word as the caption, "Yes."

    The two began dating in 2014 following Lauren's amicable split and divorce from Steve Basilone, her husband of two years.