Spencer Pratt's Sister Slams Him as 'Evil' and 'Poisonous' on Twitter

08/31/2017 03:58 pm EDT

Stephanie Pratt seems to be throwing massive shade at her brother, Spencer Pratt, and his wife, Heidi Montag. The Made in Chelsea star took to social media on Thursday night to publicly blast her family members as "poisonous" and "evil."

On Instagram, Stephanie shared a quote that read, "Some of the most poisonous people come disguised as family."

"They never cease to amaze me – good thing I always pray for my enemies," she wrote alongside the photo.

Stephanie, 31, then changed social media platforms and began tweeting about her family.

"I have protected people over the evil things they have done - & I'm tired of it – tired of my parents living in denial. Time 2 tell the truth," she tweeted.

Although Stephanie refrained from directly mentioning her brother and Montag directly in her initial tweets, she bashed him while responding to a fan.

"I just hope this isn't about your brother. He has a good side too," a user wrote.

"No he doesn't," she fired back in response.

Spencer later tweeted about the incident, although it was not a direct response to his sister.

"can't beef with peeps who have mental problems," The Hills star wrote.

The latest angry social media feud between the Pratt siblings isn't the first time they have clashed. The two have been at odds for years. Most recently, Stephanie revealed that she was infuriated with Spencer after Heidi announced her pregnancy.

Stephanie claims that she learned of the news on the Internet.

"It was on my birthday and I literally just saw it on my phone," she said during an interview with Heat magazine. "I have a feeling [my whole family] knew. I think I'm literally the only person who didn't. I just felt really left out. I don't feel part of my family."

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