Mariah Carey has lost so much weight she is as slim as a teenager.The 'Touch My Body' singer claims she now has the figure of a svelte 16-year-old following her intensive diet and training regime.She said: "I got too bulky. Now I'm down to my 11th grade size after lots of hard work with my personal trainer Patricia."It feels good, but at the same time it doesn't feel good because I can't eat what I want to eat."Mariah recently revealed she flies her personal trainer from the Caribbean to New York for training sessions.She said: "Patricia lives in St. Barts, poor girl. People say to me, 'Only you would fly someone from St. Barts in the Caribbean to New York to work out.' "The 37-year-old star is currently using the Morsel Diet, which sees normal meals replaced by low-carbohydrate nibbles.

In 2006, Mariah claimed the diet was her own creation, and had helped her to lose 32lbs in just four months.

She said: "I kind of invented it. Basically you can have a tiny bit of everything you want - but it has to be less than a forkful."

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