Hilary Duff Publicly Feuds With Neighbor Over Cigarettes, Marijuana

By Paul Gaita 05/22/18

The actress's bizarre public feud has reportedly escalated to fisticuffs and now her neighbor is considering lawyering up. 

Hilary Duff

Actress/singer Hilary Duff appears to have had a problem with a neighbor's marijuana and tobacco use in her New York City apartment, and took to social media to out his behavior to her 9.2 million followers.  

The star of TV Land's Younger posted a series of videos and images on her Instagram account that called out Dieter Addison for allegedly causing her apartment to smell of pot and cigarettes.

The tirade eventually included images of Addison's own Instagram account, which may have violated the site's Terms of Use agreement in regard. In response, Addison told Page Six that Duff's boyfriend, Matthew Koma, had reportedly assaulted him over the smoking problem.

Duff's campaign against Addison began with a video in which she asked her followers for advice on dealing with an "a—hole" neighbor who "smokes cigarettes and weed all day long."

She went on to claim that Addison "never worked a day in [his] life" and let his parents pay his rent. "Don't be a d—k, dude. And throw your trash down the chute," she concluded.

But Duff's wrath escalated to considerable heights in subsequent videos; she called Addison out for allegedly preventing her from sleeping after working a 15-hour day and added that "your smoking ain't delicious."

In a follow-up post, Duff shows a screenshot of Addison's Instagram account, and adds cat ears and whiskers to his profile picture, under which she scrawls the word "meow." The final post finds Duff admonishing Addison for "breaking all [his] furniture when [he fights] with [his] girlfriend or boyfriend," adding that it frightened her son, Luca. The video concluded with Duff suggesting that Addison acquire a vaping device.

Duff's posts were quickly snapped by online media, which reposted many of the videos. However, the exposure drew additional attention to the possibility that Duff had violated Instagram's Community Guidelines, which clearly state that users "must not defame, stalk, bully, abuse, harass, threaten, impersonate or intimidate people or entities and must not post private or confidential information via the Service."

Duff was not connected to Addison through Instagram, and posted a public photo of him, but a spokeperson from the site told Mashable that the incidents did indeed violate guidelines, and some of the content had been removed prior to expiration after 24 hours.

In two separate items for Page Six, Addison firmly denied all of the allegations made by Duff, and claimed that she and her boyfriend had become a nuisance soon after moving to the Soho apartment in January 2018.

He denied smoking pot, adding that he lived with a sober coach, though he did admit that he smoked cigarettes. However, Addison also noted that the building allowed tenants to smoke, which is why he signed a lease there.

While Addison did confirm that he hails from a wealthy family—his grandfather was H. Dieter Holterbosch, who owned a beer distribution company—he denied receiving support from his parents and claimed that he worked three jobs, including a position at his family's real estate office and as an events producer and music manager.

He also said that he attempted to address Duff's complaints about noise and smoke. "I did offer to send in my own contractors to fix the ventilation problems," he told Page Six. "But the building owners did not get back to me to give the okay for the work to be done, but I did try."

Additionally, Addison said that he called the police on Wednesday, May 16 after Koma "barged in" to his apartment and reportedly tried to punch him in the face. Officers who arrived on the scene took down his complaint, and Addison also said that he filed a report with police.

In both Page Six stories, Addison said that he has considered taking out a restraining order against Duff and Koma, and may hire lawyers and even a bodyguard to deal with what he described as a "lot of hate mail and threats from her fans."

A representative for Matthew Koma denied the allegations of assault against Addision. Duff's representatives did not comment on the incident, but stated that Duff and Koma have been subjected to "an overall hazardous living environment from [Addison] for months now."

The statement added that Duff has reportedly tried to resolve the conflict in a variety of "polite" ways, including conversations with the building's landlords, but she reached a "breaking point" after the 15-hour work day and no sleep because of Addison's actions.

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Paul Gaita lives in Los Angeles. He has contributed to the Los Angeles Times, Variety, LA Weekly, Amazon.com and The Los Angeles Beat, among many other publications and websites.