By Debbie Emery - Breaking Celebrity News Reporter

LeAnn Rimes may have bitten off more than she can chew by thrusting all aspects of her personal life into not only the spotlight, but also a courtroom now that she is suing a teacher who allegedly tape recorded a conversation and cyber bullied her on Twitter, Breaking Celebrity News can exclusively reveal.

"If this goes to court, everything is fair game in either to prove your case or defend against allegations," Los Angeles Criminal Defense Attorney Dana Cole told Breaking Celebrity News in a exclusive interview.

As Breaking Celebrity News previously reported, Rimes filed an invasion of privacy lawsuit against Kimberly Smiley, a mom-of-six, last week, claiming the teacher taped a phone call the star placed to her unexpectedly. The core of the case is a Twitter war between the singer's supporters and detractors, with one fan even posting photos of the teacher's kids on the site and the address of where she worked.

"All of this comes into evidence and witnesses can be subpoenaed," explained Cole, and even more troubling for Rimes, who is currently in an in-patient treatment facility for anxiety, her entire negative history is now up for assessment.

"If LeAnn is suing Kimberly then she becomes an open book and her medical history can be relevant and admissible in court," Cole told Breaking Celebrity News. "So if she claims that Kimberly is causing her emotional distress, her lawyers can say, 'No, we want to look at your medical records because you could have been suffering anxiety for a lot of things before, which caused you to enter a rehab or a mental health institution,'