Strictly Come Dancing star Kelly Brook says she attributes her curvy figure to "having tons of sex".

The model and actress also gives her top tips for keeping the passion in a relationship alive - fighting and fantastic lighting.

"Fight a lot. Even if you do agree, pretend you don't," says Brook, who is engaged to actor Billy Zane.

Cover girl: Brook shows off the legs which have mesmerised Strictly Come Dancing viewers
in a sexy photoshoot

"I'm a brat for the sake of causing trouble - but tongue-in-cheek and with a twinkle in my eye.

"It's about mentally stimulating each other as much as it is about the physical and emotional side."

Asked for her hot tip on maintaining a good sex life, she replied: "Fantastic lighting! When you redecorate, make sure everything's on dimmers. Either that or candlelight."