Justin Bieber & Kourtney Kardashian Love & Baby Make Kris Happy But Kendall Jenner Riled? Kourt Dates 2nd Guy

The Keeping Up With The Kardashians sisters have a long history with Justin Bieber. First he dated Kendall Jenner, and now the 22-year-old pop idol has hooked up with 36-year-old Kourtney Kardashian. But the latest rumors that Kourtney is pregnant with the Bieb’s baby has caused both Kendall and her sister Kylie Jenner to be jealous, according to a source cited by Hollywood Life.

It’s not just the age difference that has 20-year-old Kendall and 18-year-old Kylie upset. It’s that Justin is the ex to both of Kourtney’s little sisters. And if a Biebs baby becomes reality, the girls will go from jealous to rage, claims the source.

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“They won’t be happy about a Bieber baby at all,” revealed the insider. “They already think Kourtney is addicted to having babies. They’ll just call her weird and desperate. But Kourtney is ready for their criticism.”

If Kardashian is pregnant with the pop idol’s baby, Kourtney is ready to take the backlash, according to the source. As for jealousy, both Kendall and Kylie have since moved onto other relationships.

Kendall Jenner and Kourtney Kardashian rivals for Justin Bieber? Kendall Jenner and Kourtney Kardashian rivals for Justin Bieber?[Photo by Frazer Harrison/Getty Images]But how does Kris Jenner feel about it all? The famous momager of all those Jenner and Kardashian kids is thrilled, claims the insider.

Although Kris initially assumed that the pop idol would become a member of the family by marrying one of her youngest daughters, Jenner is happy to have him add his famous presence to the Keeping Up With The Kardashians clan regardless of which sister he romances. And as for the alleged pregnancy? Kris sees it as a ratings goldmine, added Hollywood Life‘s source.

“No matter which daughter he’s associated with, she sees adding him to the family as a win-win situation. It means more exposure, which translates into more money for the Kardashians. Ratings would be through the roof for a show following Kourtney’s pregnancy with a Bieber baby.”

That leaves Kendall and her younger sister as the main ones upset by Kardashian’s romance with Justin. And it appears to impact mainly Kendall. Jenner recently partied hearty with the singer amid rumors that he was “touchy feely” with Kourtney, reported the Daily Mail.

However, Jenner attempted to hide from the paparazzi and reporters, even pushing her hair over her face to try to go incognito. The obviously annoyed Kendall finally used her hand to hide her face as she exited following the evening close to the Biebs.

Justin Bieber shares a cute moment with Kendall Jenner. Justin Bieber shares a cute moment with Kendall Jenner. [Photo by Christopher Polk/Getty Images]Despite that sighting of Jenner with Kardashian’s boy toy, Kourtney has been seen hooking up with Justin for months now, according to sources cited by the Daily Mail. They were at a hot spot in West Hollywood called The Nice Guy, and Kardashian also was spotted a hotel in Beverly Hills where the Biebs was staying at 4 a.m. An observer noted them at a bar and eatery where the pop star was performing.

“He and Kourtney were nearly inseparable – smoking on the patio together and were super touchy feely,” shared the eyewitness.

Meanwhile, Kendall remains baffled, according to another source cited by the Daily Mail.

“Kendall thinks the whole thing between Kourtney and Justin is weird. He’s a complete player and for the life of her,Kendall doesn’t understand what Kourtney and Justin have in common.”

As for what Kourtney is doing in response? Kardashian isn’t responding to any rumors or reports, but instead is dating a second younger guy. Kourtney’s new man is 24, and is the son of Diddy, according to Hollywood Life.

Meet 24-year-old Quincy Jones, who has dated Kardashian several times recently amid her hook-up with the Biebs. As for what appeals to Kourtney about Quincy? He’s young and sexy, an insider told Hollywood Life.

“Quincy’s sexy. She loves that face of his his hair to die for. He’s fun to be around and he has a vibe that Kourtney’s feeling. They’re friends, but don’t get it twisted, Kourt’s got a sweet tooth for eye candy.”

As for the report that Kardashian is pregnant with a Bieber baby?

Gossip Cop cites sources discounting the rumor, including pointing to Kardashian’s sexy selfies flaunting her flat abs.

In addition, an insider close to the 22-year-old singer summed up the claims.

“B.S.,” proclaimed the insider succinctly of the Kardashian baby rumors.

[Photo by Xaume Olleros/Getty Images for Calvin Klein]