In an August interview with photographer Dave Naz, Nova said that she was shaking with nerves the first time she stripped for a project.
I have been speaking to Olivia regularly, she lives in Vegas, my office is in Vegas.
On Christmas, Nova posted on that she was spending the holidays alone.
August Ames, 23, committed suicide on December 6 while Turi Luv died in August from a drug overdose.
Nova is the fourth porn star to die in recent months.
In a tweet earlier in December, she said he killed himself two days before her birthday in April.