If you've been streaming Selling Sunset season 6, then you've met the latest—and somewhat unexpected—addition to the reality show's cast. Jason Oppenheim's girlfriend, Marie-Lou Nurk has unofficially joined the O Group. And now, it seems, she's officially been demoted from Jason's girlfriend, to Jason's ex, per an Instagram Story he posted on Wednesday. But more on that in a sec.

Jason, 45, started dating the German model last year, and the pair's relationship had obviously gotten serious when she made a big appearance on the show. In addition to the 25-year-old influencer's Selling Sunset feature, the couple made some big moves to further their relationship.

And even though everything seems to have fallen apart now, you might still have questions about Marie-Lou. Here's everything to know about the model, and her relationship with The Oppenheim Group co-founder:

She met Jason in July 2022

The couple met last July while they were each vacationing in Mykonos, Greece, according to PEOPLE. Marie-Lou said she met Jason at a beach club, per Vogue Germany, and the pair hit it off quickly. She even posted about Jason on her Instagram story by the end of the trip, which sparked tons of dating rumors, per PEOPLE.

"I mean, we're talking. I like her and maybe I'll see her soon," Jason told PEOPLE shortly after returning from Greece. This was around seven months after Jason and Chrishell Stause announced their split in December 2021.

She's a model.

Marie-Lou is a model represented by Mega Model Agency. She also studied economics at university, and used to work as a brand strategist for a German company, the Strichpunkt Design agency, per Vogue Germany.

She's from Germany.

In a TikTok, the model shared that she's German and South African—and grew up in south Germany, per Vogue Germany. She also said that she's moved around quite a bit throughout her life—and estimated about 20 (!!) times.

She's lived in London, England; Paris, France; Berlin and Frankfurt, Germany; and Portugal. She was primarily splitting her time between Los Angeles and Paris during Selling Sunset. Will that change after the breakup? Only time will tell.

She's taller than Jason.

You might have noticed the height difference between Jason and Marie-Lou. According to her modeling portfolio, Marie-Lou is 5 feet 9 inches tall—about four inches taller than Jason.

A few sources, including women on Selling Sunset, note Jason as 5 feet 5 inches, while The Sun reports both Oppenheim twins as 5 feet 6 inches tall.

She and Jason shared a condo in L.A.

The German model lived in Los Angeles with Jason part-time while they were dating (no news on what her plan is now). But before the breakup, she opened up about being in a long distance relationship on social media.

"While it's not always easy, we both believe that our love is worth the effort," she wrote on Instagram via PEOPLE. "I'm grateful to have such a supportive partner who understands my goals and passions. At the end of the day, it's important to follow your heart and pursue your dreams, even if it means taking risks and facing challenges."

The condo the couple shared is quite a fabulous 5,500-square-foot home, according to PEOPLE. It has three bedrooms, a private movie theater, and a wraparound terrace with a view of the hills. While the Oppenheim Group co-founder has obviously bought and sold many properties before, he's said this is his favorite purchase so far.

"We're living here, I think, for many years," Jason told PEOPLE. "I've lived in many nice places, but this is my favorite place by far."

And at a whopping $18 million, it was also reportedly the most expensive Los Angeles condo listed in 2022.

There were marriage rumors.

Earlier this month, Marie-Lou and Jason sparked some marriage rumors with a joint Instagram post. The pair posted professionally-taken photos in what resembled wedding attire (a white dress and a black suit). Originally, the caption on the photos read "Here's to a lifetime of adventures," but it was subtly changed to "You always make me smile ✨🌴🫶."

Apparently, the couple didn't realize what their post seemed to indicate, and changed the caption to avoid confusion. "Lou and I quickly realized that our post on Instagram made it look like we had just been married," Jason said in a statement to PEOPLE. "We received numerous congratulatory texts, as well as angry texts from friends asking why they weren't invited, so quickly changed the caption! All these photos were from an event that we went to together a couple of months ago."

Jason announced the breakup on Instagram.

Jason storied a photo on Instagram of the two looking out at the sunset, captioned: "While we still love and care about each other very much, the distance between us has proven to be too great a challenge to overcome. We remain close friends and continue to talk often and support each other," he wrote. "And we want the very best for one another. We thank everyone for their support throughout our relationship."

While they might not still be together, it was definitely fun to see Jason so happy and in love this season! And who knows... Maybe everyone will get more insights during season 7.

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