“Just a few weeks ago, I found out my 53-year-old dad got engaged to his 24-year-old girlfriend, Brooke,” says Bree. “When I think about this, I feel sick and embarrassed, confused.”

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Bree says her father moved Brooke into the house they share – along with her two young children – just months after they met.

“I didn't even want to bring my friends over to the house. I didn't want to have to explain that this girl living in our house was my dad's girlfriend, let alone my future 'stepmom,'” the 19-year-old says. “I can't stand to be around her. She's very superficial and fake.”

WATCH: ‘She Has Brain Cells … She Doesn’t Use Them A Lot,’ Says 19-Year-Old About Dad’s Fiancée

Brooke claims Bree would be upset if her father brought any woman into their house. “She acts like a spoiled brat,” she says.

Bree, who claims her dad has a pattern of dating young women and getting burned, turns to Dr. Phil for help. “I feel like she's a scheming gold digger. She’s up to something,” she says. “I think she's a freeloader. She doesn't have a job. She and her two children completely rely on my dad.”

Will Bree convince her dad to call off his wedding? Check here to see where you can watch Friday's episode.

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Man Says He’s ‘Caught In The Middle’ Of Daughter And Fiancée