Chrissy Teigenis sharing an update on what would have been the due date of her son Jack, whom shelost after 20 weeks of pregnancyback in September.

The cookbook author, 35,revealedon Instagram Sept. 30 that she and husbandJohn Legendsuffered a pregnancy loss, adding that they planned to name their boy Jack. The pair are also parents to daughterLuna Simone, 4, and sonMiles Theodore, 2.

Alongside avideo of her stomachappearing to subtly move, she writes, “Look at this. I’ll pretend it’s him saying hi - it never stops.” Teigen, in asubsequent tweet, also asked her followers for insight into endometriosis surgery recovery, asking, “What is the recovery-difficulty level? like can I make soup after?”

Never miss a story — sign up forPEOPLE’s free daily newsletterto stay up-to-date on the best of what PEOPLE has to offer, from juicy celebrity news to compelling human interest stories.

Teigen has been open about her grieving process since the heartbreaking pregnancy loss. In November, she said she wasin a “bit of a grief depression hole,” updating fans a few days later that while it had been “brutal” at the time, she felt like she was improving mentally.

Also in November, Teigen and Legendtold PEOPLEthey have been able to find a “little bit of sunshine” as they continued to grieve the loss of their son.

“You learn how to cope with it. I am very proud to say that there’s multiple different therapies I’m using to hopefully become the same person that I was, and I’m okay with that,” Teigen said at the time. “I’m okay with allowing myself to have bad days and good days.”

Chrissy Teigen.chrissy teigen/instagram

chrissy teigen

Teigen, later in December, shared aphoto of herself on Instagram, where she candidly spoke about her body, mourning thatshe will never be pregnant again.

“This is me and my body, just yesterday. Even though I’m no longer pregnant, every glance in the mirror reminds me of what could have been,” Teigen wrote. “And I have no idea why i still have this bump, honestly. It’s frustrating.”

Then, noting that she is “proud of where this entire journey took my body and mind in other ways,” Teigen added, “I love being pregnant, so so much, and I’m sad I never will be again.”

“But I am lucky to have two amazing little ones who are transforming into big little people more and more every single day,” said Teigen.

source: people.com