Gisele Bundchen perfects “Grey Bikini” bottoms in Costa Rica beach

It was first reported back in May that Gisele and her American football player husband Tom were expecting another baby.

Gisele, who grew up with five sisters, said previously that she would like to have a big family with Tom, who has three sisters.

'I'd be lying if I said no" to wanting a lot of kids,' she said in 2007.

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Over here! Gisele waved at a friend on the beach, while Benjamin looked more intent on running around and building a sandcastle

Hats off to her: Gisele teamed her grey bikini with a floppy straw hat for her day at the beach (Read more and See more Pictures)