Nova is the fourth porn star to die in recent months.
On Christmas, Nova posted on that she was spending the holidays alone.
In a tweet earlier in December, she said he killed himself two days before her birthday in April.
But she said she was comfortable 'within seconds'.
Installed in her personal trainer's gym, Beckinsale is seen executing multiple squats before bursting into laughter.
In an August interview with photographer Dave Naz, Nova said that she was shaking with nerves the first time she stripped for a project.