In fact, the 21-year-old from Austin, Texas, must eat every 15 minutes to stay healthy.
Miss Velasquez has a rare condition which prevents her from gaining weight even though she eats up to 60 small meals a day.
Despite consuming between 5,000 and 8,000 calories daily, the communications student, has never tipped over 4st 3lbs.
“I weigh myself regularly and if I gain even one pound I get really excited,” said 5ft 2 ins Miss Velasquez, who wears size triple zero clothes.
“I eat every 15-20 minutes to keep my energy levels up.