United Kingdom, Sept. 26 -- Twiggy was eating "everything" at the height of her modelling fame.

The 77-year-old model - who was discovered in 1966, at the age of 16 - has claimed that her "metabolism" has always been the secret to her slender figure.

Twiggy told People: "I was just born that way.

"If you saw what I used to eat, it was everything. It was just my metabolism. My father was built the exact same way. And I was so young!"

Twiggy is now more health-conscious than she used to be.

She said: "I can't eat like that now. Your body changes. I have to try to eat healthily now."

Earlier this month, Twiggy explained how her life was changed by a trip to a hair salon.

The model was initially discovered in improbable circumstances, ...