Kim Kardashian addressed Kylie Jenner pregnancy rumors for the first time on Tuesday.

The 36-year-old reality star dismissed reports she "didn't respond well" to news her 20-year-old half-sister is expecting a baby with Travis Scott.

"This sounds like a very fake story..." she tweeted alongside a link to a headline reading, "Kim Kardashian's first reaction to Kylie's pregnancy news was reportedly not great."

The "Keeping Up with the Kardashians" star also denied her former stepfather, Jenner's dad Caitlyn Jenner, has commented on the star's pregnancy.

"And speaking of fake stories... The media is super shady for posting fake quotes from Caitlyn when she hasn't spoke to anyone," she wrote.

People had reported Friday that Jenner is pregnant and expecting her first child with Travis Scott in February.

The magazine later claimed Kardashian had a less-than-enthusiastic response to the news.

"Her first reaction was, 'Seriously?'" a source said. "She didn't respond well at first."

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"It's like she and Kanye [West] had gone on this whole journey to get pregnant for months, and now this happens to Kylie," the insider added of Kardashian and West reportedly expecting their third child via surrogate.

"She teared up. It definitely took a lot of time for her to process it."

In addition, news broke Tuesday that Kardashian's sister Khloe Kardashian is pregnant and expecting her first child with boyfriend Tristan Thompson.

E! News reported the 33-year-old reality star is "so happy" to become a mother.