Brandi, Brittany and Brooklyn say they're concerned about their father, Lance’s, behavior. The sisters say they think he drinks too much, which causes him to act inappropriately.

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“When I’m around my dad when he’s drinking, it makes me uncomfortable,” Brandi says. “Last summer, I went out to dinner with my husband and my dad. My dad pulled me on his lap. I knew he was drinking. He was just being really embarrassing.”

WATCH: Sisters Claim Dad ‘Prowls’ And Talks Dirty To Young Women On The Internet
 

In the video above, Brittany and Brooklyn also describe incidents when they claim Lance acted inappropriately around them.
 
What does Lance say about his behavior? Does he think he needs to stop drinking? See what happens on Thursday’s episode of Dr. Phil. Check here to see where you can watch.

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