And the latest tease comes just days after her mum Kris seemingly confirmed both her and Khloe's pregnancies.
"It never seems to end, which is exciting", she added. "The fact hat I have all these grandchildren, it's been the most incredible journey to watch your kids because it's truly the meaning of just life".
"It's truly the meaning of life", she added.
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Other fans pointed out that while Kylie was careful not to be fully in the camera, her face apparently gave it away.
In Touch, a source said, "Kylie couldn't believe her eyes when the test came back positive".
In a holiday special for "Keeping Up with the Kardashians", the momager said she had a lot to be thankful for including a number of new little ones in the family.
Kylie, 20, who was strategically sitting behind a table for most of the episode, noted, "I'm thankful for my mom, because I don't know what I would do without you". Kris recently appeared to confirm Khloe and Kylie's pregnancies by sharing a picture of nine sets of Christmas pyjamas on her Instagram page, noting that there was one for each of her grandchildren. "I feel like seeing you guys go through everything, it's great knowledge".