Alison Pill's due date is right around the corner!

The pregnant actress — who's expecting her first child, a baby girl, with husband Joshua Leonard — shared a photo of her huge baby bump on Instagram before promoting her new film, Miss Sloane.

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"When you're an inch from 37 weeks pregnant and you're pretending your brain still works enough to do interviews for a smarty pants political thriller," the 30-year-old captioned the pic.

"Thank you to @streicherhair @jennstreicher for making me presentable. And Asos maternity for providing non-pajama pant options for preggos."

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Alison previously announced her pregnancy in July by posting a photo of herself getting an ultrasound. She and her hubby celebrated their one-year wedding anniversary in May.

Scroll through the gallery below for more adorable photos of the blonde beauty's growing belly!