Karen says she tried everything to get through to her 17-year-old daughter, Emma, who had been partying, doing poorly in school and was dating a 20-year-old man she had been forbidden to see – but nothing worked.

TELL DR. PHIL YOUR STORY: Explosive Family Drama?

When she discovered Emma’s boyfriend in the teenager’s bedroom closet late one night, Karen posted a video to her daughter’s Snapchat account, yelling at Emma’s friends and accusing them of covering for her.

WATCH: Video Of Mom Calling Out Daughter's Friends On Social Media Goes Viral

Karen says she thought the video was only going to be seen by about 50 people, but it wound up going viral.

“You know, it was just something that happened in the heat of the moment,” she says, claiming she didn’t know that the video could be recorded and distributed by others.

Overnight, says Karen, she had 20,000 followers her on Twitter.

Does she say she regrets posting the video? Watch the video above, then check here to find out where you can watch more from Wednesday’s Dr. Phil

TELL DR. PHIL YOUR STORY: Caught on video: People behaving badly?