Mary Cosby's son Robert Jr. goes off on 'RHOSLC' cast, calls them 'sluts' and 'fakes'

Robert Cosby Jrson of The Real Housewives of Salt Lake City the star Mary CosbyMaking waves again — this time with a series of eyebrow-raising Instagram Story posts.

Despite garnering support for her openness about addiction, the struggle continues RHOSLC Season 5, his recent behavior is raising questions about his progress.

A rookie 2023 for Robert Cosby Jr

Robert Ran into legal trouble in 2023 when he was arrested for DUI Mary To rescue him from the police station. His struggles with substance abuse were highlighted in season 5, in an emotional dialogue Mary saw him break down over his revelation.

By December 2024, Mary provided an optimistic update on her son's recovery. “He is doing well. He went to rehab. He was there for 30 days and I was like, 'No! Please stay!' He's like, 'I want to stay longer,'" she shared. However, Robert's latest actions suggest that his post-rehab journey may not be as smooth as fans hope.

Instagram rants spark reactions

January 12, Robert Take to Instagram Stories to post multiple controversial messages. He began with a black screen and white text: "Anyone who asks about my sobriety, it's none of your business."

He followed it up with a picture of a ceiling fan and the caption: "I love my fans, but there is such a thing as personal space." While these posts seemed harmless enough, things quickly took a turn when Robert called RHOSLC throw hard

“All these sluts from Rwoslc are not people to watch. Besides my dear mother, just because they're 'rich' doesn't mean they're good people," he wrote.

He then added another post with a black background, declaring, "They're all fake!"

Screenshots of the posts were shared on Reddit by user u/extreme-physics1670, where fans expressed their disappointment and confusion at Robert's comments.

Community response

Robert's The use of the word "sluts" drew significant reactions. Although some fans admit that RHOSLC Cast may not always be role models, with many condemning his choice of words as antisocial and disrespectful.

"You can criticize people without resorting to abusive language," wrote one Reddit commenter. Others questioned how Mary would react to her son's public outbursts given her protective nature.

At the time of writing, Robert had not addressed or apologized for the posts.

What's next for Robert and RHOSLC?

While Robert's latest Instagram rant has stirred controversy, fans are hopeful that he can refocus on his sobriety journey and rebuild his image. Meanwhile, the drama continues The Real Housewives of Salt Lake CityAirs Wednesdays at 8/7c on Bravo.

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Olivia Davis is a staff writer on tea. Olivia's hobbies include binging Netflix series and watching Housewives on Bravo. He graduated from San Francisco State University with a degree in history.