Kylie Jenner expecting baby girl with rapper boyfriend Travis Scott

Ex-boyfriend Tyga claims the child is his

Kylie Jenner, the youngest member of the celebrity Kardashian family, was reported on Friday to be pregnant.

Celebrity news website TMZ, People magazine and Buzzfeed all quoted sources as saying that Jenner, 20, the half-sister of Kim Kardashian, is expecting a baby with her boyfriend and rapper Travis Scott.

Jenner, who has parlayed her family’s reality TV show and a 97 million Instagram following into a lucrative cosmetics line, later posted a Snapchat photo in which she appeared to have a baby bump under an oversized black T-shirt.

Kendall, Kylie Jenner withdraw music icon T-shirts after backlash

People magazine reported that the baby was due in February.

“The family has known for quite some time. She is really excited and so is Travis!” the magazine quoted one source as saying.

PHOTO: THE SUN

Another source said to be close to the family told People: “It is an unexpected, but completely amazing turn of events that she could not be more excited or thrilled about.”

Jenner and Scott, 25, have been dating since April.

Shortly after it was reported that the reality TV pesonality is expecting her first child with beau Travis Scott, her ex-boyfriend Tyga took to social media to say that he might be the father.

Kylie Jenner suffers altitude sickness on Peru trip

Tyga, who has been rumoured to be dating Kylie's look-alike Kamilla Osman, took to his Snapchat account on Friday to respond to Kylie's pregnancy news, reports aceshowbiz.com.

In a now-deleted post, the rapper captioned a screenshot of a news article about Kylie's pregnancy. "Hell nah thats my kid," he wrote adding a series of purple devil emoticon.

PHOTO: US WEEKLY

Tyga and Kylie were in an on-and-off relationship for more than three years. They kept their romance under the radar, and went public shortly before her 18th birthday. Their relationship sparked controversy in the tabloids, because of the age difference, and they were reportedly dating since Kylie was 16.

The rapper and the Life of Kylie star officially called it quits before she started dating Travis in April.

Have something to add to the story? Share it in the comments below.