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Katie Holmes has revealed just how she keeps her sex life with hubby Tom Cruise interesting – mini skirts.

The Batman Begins star revealed that nothing works better to light the sparks in the couple’s love life than the suit and a mini every now and then.

"Tom likes me in a suit and a mini every now and then. I like it when he likes it. It makes me blush," Contactmusic quoted her, as saying.

"He'll say, 'You look good. I hope security's going with you.' Now that gives me attitude."

However, while miniskirts turn on her hubby, Holmes also revealed what it was about her spouse that did the same for her. The answer - his new hobby flying planes.

"He knows what he's doing. When he decides to do something, he does it. It's great. It's hot," she said.

The couple celebrated their first anniversary in November this year. They wed in a Scientology ceremony in Italy in 2006.