(CNN) The youngest sibling in the Kardashian-Jenner clan is now expecting.
Two sources close to the "overjoyed" family tell CNN that Kylie Jenner, 20, is pregnant and due in February.
The makeup mogul and reality star has been in a relationship with rapper Travis Scott since April.
Growing celebrity families
"Love & Hip Hop" stars Safaree Samuels and Erica Mena announced in October that they are expecting their first child together. The couple got engaged in December 2018.
Alec Baldwin and wife Hilaria
announced in September that they were pregnant with their fifth child. The couple welcomed their fourth child together, son Romeo, in May. Baldwin has an adult daughter, Ireland Baldwin, from his previous marriage to actress Kim Basinger.
Jenna Dewan and boyfriend Steve Kazee
announced in September that they're expecting their first child together. Dewan shares a daughter, Everly, with ex-husband Channing Tatum.
Rachel Bloom and Dan Gregor are about to get crazier. The married couple who collaborated on her hit series "Crazy Ex-Girlfriend"
went public in September with the news they are expecting their first child.
Singers Matt Pokora and Christina Milian have a new release coming. They
announced in July that they are expecting. It's Milian's first child with boyfriend Pokora, a French singer and songwriter. She has a daughter, Violet, from her marriage to producer-rapper The-Dream.
Former "The Bachelor" contestant Bekah Martinez and her boyfriend Grayston Leonard welcomed their first child together in February.
People reported the baby was a girl.
"Boy Meets World/Girl Meets World" star Danielle Fishel and her executive producer husband Jensen Karp each announced
on their Instagram accounts in January that they are expecting their first child, a boy, in July 2019. Son Adler Lawrence was born four weeks early.
The family of Jionni LaValle, Lorenzo Lavalle, Giovanna LaValle and Nicole "Snooki" Polizzi, shown here in September 2015 in Long Valley, New Jersey, grew. The "Jersey Shore" star gave birth to baby number three, son Angelo, in May 2019.
Richard Gere and his wife, Alejandra Silva shared in a joint production. Silva, 35, shared the news
on her official Instagram account with a picture of her 69-year-old husband and the Dalai Lama touching her belly. Son Alexander was born in February. The couple each have a child from previous marriages.
Carrie Underwood
announced in August that she and husband Mike Fisher were expecting their second child. They welcomed son Jacob Bryan Fisher on January 21.The pair are the parents of 4-year-old Isaiah Michael. The singer said her pregnancy would delay her new concert tour until 2019.
Author/musician Leafar Seyer and wife, TV personality Kat Von D (seen here pregnant in September 2018) introduced their son, Leafar Von D Reyes, in December 2018. It's the first child for the couple who married in February.
Jenner has had some practice with kids.
Not only is she an aunt to sister Kim's two children, sister Kourtney's three kids and brother Rob's daughter, but she often spent time with rapper Tyga's son when the pair were dating.
The couple had an off-and-on relationship for several years. In January 2016, E! aired an episode of her family's reality show "Keeping Up With the Kardashians" in which Kylie is seen with Tyga asking her parent Caitlin Jenner, "What do you feel like is a good age to have kids?"
Caitlyn Jenner advises that 30 is a good age.
"I feel like 30 is too late," Kylie Jenner responds. "Every psychic said I'm only going to have two kids."
Jenner currently stars on her own reality show, "Life of Kylie."
The news spread fast and furiously on the internet Friday.
Some found the timing interesting given that this weekend marks the 10th anniversary of "Keeping Up With the Kardashians."
The "Keeping Up With the Kardashians" 10th anniversary special airs Sunday on E!.