Hollywood Baby Watch! How Jennifer Love Hewitt, Kate Middleton & Jessica Biel Are Handling Their Pregnancies

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There's a particularly plentiful amount of celebrity expecting mothers right now, but it's unlikely that any of them feel better than Jennifer Love Hewitt.

"I kind of feel my best when I'm pregnant, which means I should probably have 18 children," Hewitt told ET. "It won't happen but I do feel good!"

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The 36-year-old actress is expecting her second child with husband Brian Hallisay. Being eight months into her pregnancy hasn't stopped Hewitt from dressing sexy -- she's been spotted in strappy heels -- but romance with her husband may have cooled off a bit.

"I go to bed at 8:15!" Hewitt said. "So it's a lot like being married to Betty White."

Jessica Biel is due later this month and her husband Justin Timberlake couldn't be more ready.

NEWS: Pregnant Jessica Biel Proudly Shows Off Her Baby Bump

"Don't worry. Daddy's headed home right now to innovate by learning how to change a poopy diaper and get my swaddle on!" Timberlake told his wife at the iHeartRadio Music Awards in late March.

It'll be a race to see who delivers first between Biel and Kate Middleton, Duchess of Cambridge, who is also expected to give birth soon.

Keeping up the British baby boom are Keira Knightley and Benedict Cumberbatch's wife Sophie Hunter.

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"I don't think any person is ever ready for it," Cumberbatch told ET at the SAG Awards. "It's the most extraordinary sort of journey and discovery."

Watch the video to find out the hardest part of pregnancy for mom-to-be Zooey Deschanel.