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Zooey Deschanel
(© imago images / Cinema Publishers Collection)

Zooey Deschanel

The actress and also singer became pregnant in the fifth season of New Girl. In order to avoid making "Jessica" pregnant, the series' writers sent her off on jury duty for a couple of episodes 

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Jenna Fischer and John Krasinski
(© imago images / Cinema Publishers Collection)

Jenna Fischer

Jenna Fischer became pregnant with her second child while filming The Office. NBC writers were so happy about it that they decided to give her character "Pam" and her partner "Jim" (John Krasinski) a second baby as well!

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Julia Louis-Dreyfus
(© imago images / ZUMA Press)

Julia Louis-Dreyfus

Julia Louis-Dreyfus became pregnant in the third season of Seinfeld. Her character "Elaine" often appeared covering her body behind big boxes, thick coats, or other random stuff like chairs!

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Marcia Cross
(© imago images / Cinema Publishers Collection)

Marcia Cross

Marcia Cross, who played the role of the neurotic perfectionist "Bree Van de Kamp" in Desperate Housewives, was pregnant during the shooting of the third season of the show. In most of the scenes Marcia's baby bump is covered by boxes and/or baskets. Fun fact is that during the series Marcia Cross' character "Bree" fakes a pregnancy!