Rebecca Romijn has told how she loves X-rated sex - and gets turned on by playing a dominatrix.The 'X-Men' beauty - who plays mutant Mystique in the sci-fi series - also says she's happiest when she's stark naked.She is quoted in Britain's News of the World newspaper as saying: "I love to be nude and I love sex."Being a dominatrix in the bedroom, sex in cars and in public places all turn me on. And I love fantasising about being naked on an island with lots of other naked people."The actress, who is engaged to 'Sliders' star Jerry O'Connell - also revealed her biggest turn-on is having her ears kissed.She said: "Having them kissed turns me on like nothing else. They're easily my most erogenous zone."Meanwhile, the 33-year-old has revealed she wants to start a family.

She said: "I am really looking forward to starting a family sometime soon. I can't wait. It is actually getting to the point where I get tears in my eyes when I see a pregnant woman.

"You know it is time to have a baby when you get tearful if you see a pregnant woman. Family is a priority for me."

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