Pregnant Mandy Moore Says Third Pregnancy Has Been 'Hardest by Far' as She 'Chases' Her Two Toddlers Around

The actress, who is currently pregnant with her third baby, is also mom to sons August "Gus," 3, and Oscar "Ozzie," 21 months

Mandy Moore is admitting that her third pregnancy has been the most difficult yet.

On Tuesday, July 30, the actress, 40, shared a mirror selfie on her Instagram Stories as she posed in a skin-tight, black tank top that highlighted her baby bump.

"Is it September yet?" Moore asked as she wrote across the photo. "Feeling very grateful to my body AND this pregnancy has been the hardest by far...simply because chasing 2 toddlers is not for the faint of heart."

Moore, who is currently expecting her third baby with husband Taylor Goldsmith, is also mom to sons August "Gus," 3, and Oscar "Ozzie," 21 months.

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Related: Pregnant Mandy Moore Posts Photo of Her Growing Baby Bump in Cute Red Dress: ‘There She Is’

In June, Moore and Goldsmith announced on Instagram that they will soon be welcoming a daughter. Alongside a photo of Gus and Ozzie holding hands and wearing T-shirts that read "Big" and "Middle,” respectively, the star wrote, "Sometimes life imitates art.”

"The third in our own Big Three coming soon,” she continued in the caption. “Can’t wait for these boys to have a baby sister. ??????.”

While speaking with PEOPLE that same month, the Walk to Remember star said that as the parents transition into a three-kid household, they are just enjoying where their family is at right now.

"It's so much fun,” she told PEOPLE. “I know that parents sort of love to say it just gets better, but I truly believe that is the case. We have one that's obviously potty-trained and the other's still in diapers, but they're only 20 months apart so they're just starting to interact with each other."

"My husband I looked at each other the other day and we're like, 'This is a good phase.' But also recognizing in parenting, it's an ebb and flow," continued Moore. "You cannot get used to anything because as soon as you sort of digested it and you're like, 'Oh wow, we can handle this,' then some other challenge is thrown your way.”

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