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Big congratulations are in order forMeryl Streep— and her daughterMamie Gummer!

A rep for Gummer confirmed toUSA Todayin December that the actress — who shared the screen with her famous mother in the 2015 filmRicki and the Flash and 2007’sEvening— and Sethi, a 36-year-old producer, were expecting their first child together.

Streep and her husbandDon Gummerhave four children together: daughters Mamie, Louisa, 27, and Grace, 32, as well as son Henry Wolfe, 33.

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Although Streep has already raised four kids, while filming her role inMary Poppins Returns, the actresshad a bit of a mishapwhile giving the child thespians an acting lesson on set.

“We were in the middle of my big musical number, and I was showing off,” Streep previously told PEOPLE. “I told them, ‘The first thing they teach you in drama school is how to fall down.’ ”

“So I marched across the room and pretended to trip and fell down,” she continued.

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Unfortunately, the three-time Oscar winner hit the ground a little too realistically.

“I did it so hard on both of my knees I practically broke them!” she said. “I thought, ‘Don’t be such a jerk, you’re not 11 years old anymore.’ ”

US Weeklywas the first to report the birth.

source: people.com