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There’s a lot that goes into making a television show.

“Everything is so authentic.

Caroline Aaron on the phone in “The Marvelous Mrs. Maisel”

It really is.”

The actress even feels it herself every time she steps onto the set.

However, fans may not know that the garments are even authentic underneath.

Caroline Aaron on the phone in kitchen in “The Marvelous Mrs. Maisel”

Costume designer Donna Zakowska travels all across the globe to find the perfect pieces for the show.

“So she has to go to Europe.

It’s all been outsourced.”

Caroline Aaron wearing hat and fur coat in “The Marvelous Mrs. Maisel”

No wonder Zakowska has earned herself anEmmy!

“She’s so brilliant.”

“All the patterns are from the ’50s,” Aaron revealed.

Season 4 of"The Marvelous Mrs. Maisel"is available to stream now on Prime Video.