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Who Is Dieter Addison? New Details To Know About Hillary Duff's Problem Neighbor

Photo: Instagram
Photo: Instagram

Bad neighbors are a known hazard of apartment living. If you live stacked on other people, those people are bound to get on your nerves sometimes. Maybe it's someone upstairs with hardwood floors and a fondness for clog dancing. Or maybe the guy next door likes to listen to thrash metal all night long. Neighbors can make apartment life truly miserable.

Even celebrities aren't immune from bad neighbors. Hilary Duff was on Instagram recently to trash talk a guy in a neighboring apartment in her SoHo building. What did this guy do to make Duff so angry? And Who is Dieter Addison, Hillary Duff's problem neighbor? Read on to find out.

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1. She started with a plea for advice.

The Younger star took to her IG story to ask other New Yorkers what to do about the smell of smoke drifting between building saying "Calling all New Yorkers with a–hole neighbors— really open to any advice you have. My neighbor smokes cigarettes and weed all night long. My apartment reeks. Seriously, what do I do?" She plastered the video with the words "Dieter Addison", telling the world the identity of her neighbor.

2. It's not just about the smoke.

Duff kept going, calling describing his non-neighborly behavior in general saying, "Worked 15 hours yesterday and back at work again at 5:30 a.m. This is the real world Dieter the [eggplant emoji]."

She then told him to get a vape instead of smoking traditional cigarettes. “Your smoking ain’t delicious … We know your parents pay your rent. We know you’ve never worked a day in your life — must be nice. Have some respect for your neighbors who work hard to live in that building. Don’t be a dick dude — and put your trash down the shoot [sic].”

3. And that's not all.

Evidently, Dieter doesn't live alone and his roommate is no quieter than he is. Duff ended her rant by saying, "Stop breaking all your furniture when you fight with your girlfriend or boyfriend,” she said. “It scares me and my [son, Luca]. Therapy is cheaper. I know your [sic] still sleeping. I really hope your hangover hurts.” 

4. Dieter denies it.

Well, mostly. Addison spoke to Page Six and denied the pot smoking. He says he's been sober for months and doesn't smoke any weed. He even says he lives with a full-time sober companion, referring to Topes Calland, who has been billed as the “1,000 per hour super-mentor who rescues the children of the rich and famous.”

He went on to add, “I smoke a ton of cigarettes, don’t get me wrong — but this is a smoking building, which is why I signed the lease here.” He also claims he really does have a job. He says he work at his family's real estate office and also works as an event coordinator and manager for musical artists.

5. Dieter says he tried to be neighborly.

When Duff and her son moved in, they immediately got off on the wrong foot, complaining about Addison's smoke and music. He says he tried to make it better recalling, "When they moved in I turned down the music right away,” he said. “When [Duff] first complained about smoke, I did offer to send in my own contractors to fix the ventilation problems. But the building owners did not get back to me to give the okay for the work to be done, but I did try.”

6. He could probably even afford to renovate.

Addison is the grandson of H. Dieter Holterbosch, who was born in Germany and immigrated to the US with his parents. Holterbosch's 2016 obituary describes him as:"A self-made man, he built a business empire in the years following the war that included running a family vineyard, importing and building the Lowenbrau beer brand and the starting the largest beer distributor ship of major brands in New York State." Presumably, Dieter has inherited some of his grandfather's fortune. 

7. The bad behavior may be two-sided.

On May 17, Addison made a 911 call alleging that Duff's boyfriend Matthew Koma attacked him. Addison told Page Six, “I had to call the police this morning because Hilary’s boyfriend, Matthew Koma, barged in and tried to punch me in the face. I tried to avoid his fist, but he hit me on the head. So I pushed him out of the apartment, but I didn’t assault him.”

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8. Police were involved.

Cops arrived at the building and Addison filed a police report. He says he did so on the advice of counsel, telling Page Six, "I have studied martial arts for many years, and I know how to block people. I didn’t want a fight. I immediately called my lawyer who told me to call the police.”

9. The world is Team Duff.

Addison hasn't been enjoying this brush with fame. He says he's received hate mail and death threats since Duff doxed him. He told Page Six he's scared enough he's considering hiring a bodyguard. 

There is certain to be more to come out of this dust up. Keep watching for the next chapter in this saga.

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Rebekah Kuschmider is a DC area writer with a background in non-profit management and advocacy Her work has been seen at Ravishly, Babble, Scary Mommy, The Mid, Redbook online, and The Broad Side. She is the creator of the blog Stay at Home Pundit and is a contributor the book Love Her, Love Her Not: The Hillary Paradox . She is a cohost of the weekly political podcast The More Perfect Union.