So far, there has been no proof of a link between any of their deaths beyond the fact that they were all porn stars.
The young actress had been tweeting about how she was alone for the holidays and wanted to call a fan to lift her mood.
I've spoken to a couple of friends of Olivia's and I have spoken to the coroner's office and her death is a mystery.
Direct Models said Lua had been battling addiction for some time and was seeking help.
But she said she was comfortable 'within seconds'.
However police reports which have emerged recently suggest the woman was suffering from sepsis.
Shyla Stylez, 35, died in November and her cause of death is still unknown.