United Kingdom, Jan. 26 -- Pamela Anderson posed for Playboy to overcome her shyness.

The 57-year-old actress first stripped off for the adult publication in 1989 and over the course of 22 years appeared on more of its covers than any other model, and explained she was spurred to do so to get rid of her "paralysing" feelings.

Discussing how her role as Shelly in 'The Last Showgirl' struck a chord, she told NPR: "I'm a very shy person. I did 'Playboy' because I was so shy and I wanted to et over my shyness. It was paralysing.

"I think Shelly felt powerful on stage.

"She felt seen and beautiful and that's where she felt safest, on stage. That resonated with me."

The former 'Baywatch' star may have been in the public eye for decades, bu...