Caitlyn Jenner confirms daughter Kylie Jenner is pregnant

It will come as no surprise that the first official family member to confirm Kylie Jenner's rumoured pregnancy is Caitlyn Jenner.

Rather than allow her youngest daughter, 20, to spread her own news, a representative for Caitlyn, a well-known lover of the spotlight, responded to The Sun's queries for information.

When asked when she found out about the pending addition to the ever-expanding Karjenner brood, the Olympian's representative told the British tabloid: "All I can tell you is that it was some time ago."

Fans - and media - have been waiting with bated breath for any sliver of information, while pictures of Kylie with a bump and/or in baggy clothing are selling like gold dust.

She posted a pictured with her BFF Jordyn Wood over the weekend, lifting up her top in an apparent attempt to throw everyone of the scent. It didn't work.

The rest of the family, including model sister Kendall Jenner and her half-sisters Kim, Kourtney and Khloe Kardashian, who no longer speak to Caitlyn (formerly known as Bruce Jenner), have all kept shtum.

Momager extraordinaire Kris Jenner, who has been accused by many on social media of leaking the pregnancy news to promote the family's E! special for the 10th anniversary of Keeping Up with the Kardashians on Sunday, would neither confirm or deny Kylie's pregnancy on Saturday at Milan Fashion Week.

"I just woke up this morning. She's not confirmed anything. I think it's kind of wild that everyone is just assuming that that's just happening," Kris said.

When pressed further, she added: "Something happens every single day. You never know what is going to break at any moment."

On Monday, KUWTK executive producer Ryan Seacrest texted Kris during his talk show Live with Kelly and Ryan to see if she might offer him a morsel. Her response: "Kylie's not confirming anything."

On Friday, TMZ started spreading the news that the beauty mogul, said to be worth an estimated $AU51 million, is pregnant with her 25-year-old rapper boyfriend Travis Scott's baby.

They added that Scott has been telling his friends they are having a girl.

The two began dating earlier this year after Kylie and longtime on-again, off-again boyfriend Tyga ended their relationship.

Fairfax Media has asked a representative for Kylie Jenner for comment.

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This story Caitlyn Jenner confirms daughter Kylie Jenner is pregnant first appeared on The Sydney Morning Herald.