David Krieger—Bauer-Griffin/GC Images/Getty Images
October 21, 2016 12:34 PM EDT

Moms-to-be Olivia Wilde and Mila Kunis are partying like it’s 1999, at least when it comes to their maternity fashion game.

The actresses, who are both expecting their second child, stepped out within weeks of each other, ditching high heels in favor of tennis shoes — and like Liv Tyler and Jessica Biel before them, wore denim overalls over their growing baby bumps.

Wilde, 32, wore the Current/Elliott x Hatch Easy Denim Overall ($378) while on a walk in New York City in late September, while Kunis, 33, opted for the Current/Elliott The Ranch Hand Overall in Traveler Destroy ($368) during an outing in Los Angeles on Saturday.

Wilde is gearing up to welcome a daughter with fiancé Jason Sudeikis, with whom she already shares son Otis Alexander, 2. Ashton Kutcher recently announced that his and Kunis’ second child will be a boy, who will join 2-year-old big sister Wyatt Isabelle.

And both style-savvy actresses haven’t been shy about expressing their love for comfort during their pregnancies. In July, Wilde posted a mirror selfie to Instagram, where she could be seen wearing a boho-chic, loose-fitting yellow dress.

“Go to the @bkflea and score a dress from 1974, when apparently someone stretched out the middle part juuuuust the way you need it,” she jokingly captioned the shot.

Kunis has seemed to prefer straying from maternity-specific clothes — specifically favoring duds by Ulla Johnson and shoes that won’t add to her discomfort.

“I’m one of those ladies that likes to be in flats,” she told Vanity Fair in July. “I don’t necessarily want to wear heels while I’m pregnant. I’ll only wear them when I need to!”

This article originally appeared on People.com

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