"Contrary to all the rumours, I do not know the sex of my baby," said the singer-turned designer at New York fashion week.
Victoria, who has three sons, added: "We know what to do with boys".
"(They) are excited about having a little brother to teach how to play football. But if it's a girl, we'd be over the moon as well."
The mother-of-three was showcasing her autumn/winter 2011 collection - an array of her signature fitted dresses, along with looser styles perfect to accommodate her growing baby bump.
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