Jessica Capshaw Gives Birth

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Steven Spielberg and Kate Capshaw are grandparents—again!

Spielberg and Capshaw's daughter, Grey's Anatomy star Jessica Capshaw and her husband Christopher Gavigan welcomed their third child, a girl, to their growing family on Wednesday, June 20.

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"Our hearts are bursting with love and gratitude upon the arrival of our baby girl," Capshaw said via her rep to PEOPLE.

The newborn, Poppy James Gavigan, joins 1 ½ year-old sister Eve Augusta and 4-year-old brother Luke Hudson.

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Poppy's birth comes five months after Capshaw and Gavigan announced the pregnancy in January.