"They believe she is spending insane amounts of money on her boyfriend," a source told RadarOnline.com.
The 20-year-old appears to have spiraled out of control since the release of the shocking new tell-all, Leaving Neverland.
“Paris is in a deep state of denial in regards to the Neverland film," the informant dished exclusively to RadarOnline.com. "But her denial has obviously turned dangerous."
On Saturday, March 16, cops told RadarOnline.com they responded to a call for a suicide attempt at Paris’ Los Angeles home.
She vehemently denied anything serious had occurred, but her frantic family begs to differ, said the source.
"Her family believes the film is the reason for her suicide attempt."
Now her ailing grandmother, 88, is beyond frustrated.
"Katherine is at the breaking point," added the insider. "She’s lost control of Paris."
"He told Paris that her behavior is not going to fly anymore," spilled the source.
The troubled model’s famous clan, including her protective brother, were horrified when they saw RadarOnline.com’s shocking exclusive photos of the couple fighting during a boozy Mardi Gras weekend just days before Paris was rushed to the hospital.
“The photos were a huge cause for concern,” a source told RadarOnline.com.
In the shocking snaps, Gabriel can be seen screaming at Paris, and getting very close to her face.
The tumultuous lovers both appeared to be drinking heavily, despite her recent stint in rehab.