London, (Agencies): Its time for bodybuilding for socialite Paris Hilton. It is reported after being inspired by her fitness fanatic boyfriend Cy Waits Paris is also going take up bodybuilding.

The 29-year-old blonde beauty has apparently put herself on strict diet of 3,500 calories a day to keep her energy levels high for intense workouts, Grazia magazine reported. Paris displayed a muscular figure during her recent ramp walk at a Brazilian fashion show.

Hilton's new daily exercise routine which includes weightlifting, bench presses and running means she has the liberty to gorge on her favourite fast food treats once in a while.

The heiress is delighted with the changes in her body and is planning to adhere to her new diet regime.