We’re now 95% convinced that Kourtney Kardashian is pregnant with baby No. 4!

After weeks of hinting at the news with not-so-subtle social media posts, the 37-year-old once again set the rumor mill abuzz by sharing a photo with daughter Penelope’s baby doll. The reality star, who’s back together with Scott Disick, lovingly cradles the lifelike toy in the snap while masking her stomach in a baggy gray tracksuit and puffy Tommy Hilfiger coat.

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Although some fans are rooting for another Kardashian-Disick announcement, others think the brunette beauty simply has a serious case of baby fever. “Looks like you're getting your fill of baby time instead of actually having one!” an Instagram user commented next to the pic.

The fitness guru first sent followers into a frenzy when she posted an image of her kids’ playroom on Snapchat, which was filled with dolls in strollers. “This makes me itch,” she said at the time. And just days later, the mother-of-three lingered on a framed photo of her bare baby bump in a video shared to her account. That post was followed by an image of baby Gucci sneakers, tiny sunglasses, and a small gold chain.

In addition to Penelope, 4, Kourt and Scott are parents to sons Mason, 7, and Reign, 2. During their split last year, the oldest Kardashian daughter was candid about her desire for a big family, telling Cosmopolitan in August, “I would have more [children]. I could see myself with six kids. I just don’t know what’s in God’s plan.”

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Life & Style reported late last year that Kourtney was ready to give Scott another chance after a 17-month separation. "You can see the chemistry between them again," a source said. "They flirt and she giggles and they make little inside jokes."

Scroll through the gallery below to see pictures of the on-again couple with their adorable family!