The fiery red-headed singer is no exception to being a dramatic weight loss case. However Nicole puts this down to having a fast metabolism and iron deficiency anaemia, a disorder that affects the body's red blood cells and can leave sufferers experiencing extreme fatigue and feeling faint.
She said in an interview: "I've always had a very fast metabolism and I never put on an ounce of weight. But it was getting beyond a joke - I knew I wasn't eating a healthy diet. I hated demanding food before a performance and felt bad about putting people out, so I stopped asking".
22,000 people agreed to clean toilets for WiFi because they did not read the terms.
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.