Tulisa Contostavlos has been named FHM magazines Sexiest Woman in the World.

The "X Factor" judge has stolen Brit model Rosie Huntington-Whiteley’s 2011 crown, beating two-time winner Cheryl Cole into second place.

To mark her victory, Tulisa flashed her cleavage in a bra and leaped into the air for FHM’s cameras.

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She also leaned against a radiator in a mini-skirt and nailed a seductive pose as she relaxed on some guitar amps.

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PHOTOS: Tulisa Poses for FHM.

Tulisa will be grateful for the victory, having endured a tumultuous few weeks since footage of her performing a sex act on former boyfriend Justin Edwards appeared on the internet.

Commenting on her win, the N-Dubz singer said: “Thank you so much for voting for me. It’s a true honor and definitely a lovely confidence boost.

Last week, Contostavlos played down her X-rated clip, claiming it was was not really a sex tape.

“I would hardly call it a sex tape," she said on a UK talk show. "Number one, there was no sex involved."

Go to The Sun for more on Tulisa's big win.