Britney Spears' former personal trainer has revealed the trim and toned physique the star has showcased of late is down to ''hard work'' and taking no shortcuts in the gym.
Britney Spears' trim and toned physique is down to "hard work".
The singer - who is mother to Sean Preston, four, and three-year-old Jayden James - recently revealed her body transformation, and her former personal trainer has admitted she didn't get her chiseled figure by sitting back and doing nothing.
Marc Corliss - who helped the 'Toxic' hitmaker tone up in Los Angeles a couple of years ago - explained: "There are no shortcuts to anything. Britney goes after what she wants. She's a hard worker. Plus, I'm sure her diet is on point as well."
The diet and exercise expert said he is a big advocate of balancing strength training and cardio exercise, and advises people who want a body like Britney's to train for 45 minutes, five days a week.
He added to gossip website HollywoodLife.com: "It obviously has to be a combo of all of it. You can't have success if you're missing a piece of the puzzle. The best thing to do is interval training, like a quick sprint and then go back to resistance training, like push ups or squats.
"Five days a week is pretty active. If you're going at maximum effort, you only need to put in about 45 minutes."
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