Crystal Hefner, widow of Playboy founder Hugh Hefner, has opened up about her life with the infamous tycoon.

In 2008, psychology graduate Crystal Harris moved into the Playboy mansion as one of Hefner's live-in girlfriends.

Within months, Crystal had advanced to becoming Hefner's third and final wife- he was 86, Crystal was 26.

Several years after his death, Crystal has exposed the toxic, controlling and misogynistic environment she lived in through  her memoir Only Say Good Things: Surviving Playboy and Finding Myself.

She revealed to ZB's Francesca Rudkin that she was expected to follow Hefner's rules about appearance and behaviour- to the point where she had an evening curfew.

"He wouldn't like it if we gained any weight, he would say- wear a more colourful shirt, wear the flag, which is the Playboy bunny logo, he would tell us what kind of nail polish to have, my roots couldn't be showing."

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