We will have to wait to find out how this megastar shed the pounds.
The singer confirmed she is writing a book on weight loss in an interview with Billboard Magazine. She said the book will serve as a how to guide to shedding fat. It is expected to be released at the end of 2008.
She said: "Everybody asks me - men, women - how did I do it? Even young people will come up to me and they have an issue with their weight and they're very concerned. So it's basically my journey."
Tools designed to ensure computer code in smart cars does not crash has been inspired by hungry penguins.
The rounded sleeping capsules send guests drifting into ocean before arriving on desert island by morning.
Sitting on the saddle activates the part of the brain responsible for learning, a study has claimed.
Scientists are appealing for more people to donate their brains for research after they die.
Life on Earth may have arrived from Mars on an asteroid, scientists have claimed.
Lunar mission scheduled at the end of 2017 could find out if beer can be brewed on the moon.
A bottle used to teach children how far litter can travel ended up on Scottish beach after 8,700-mile journey.
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