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Supermodel Miranda Kerr gave birth to a super-baby: nearly 10 pounds!

Kerr's grandmother Ann Kerr (via family friend) tells Australian newspaper The Herald Sun that Miranda's son with Orlando Bloom weighed in at 4.5 kilograms, or almost 10 pounds.

As a source confirmed to, Kerr, 27, welcomed her first child in an L.A. hospital on Friday. Kerr and her big boy are doing "very well," her grandmother said.

The Herald Sun also reports that Kerr's parents, Therese and John, flew from Australia to L.A. to meet their grandson.

The catwalker and Bloom, 33, secretly wed in early July after nearly three years of dating.