Looks likeKourtney Kardashianhas givenSofia Richiethe seal of approval when it comes to her andScott Disick‘s kids.Richie and Disick have beenofficially datingsince last September after initiallysparking romance rumorsa year ago. In recent months, the relationship appears to have gottenincreasingly serious, with Richie spending plenty of time — and evenvacationing— with Disick and Kardashian’s three children: sonsMason, 8,Reign, 3, and daughterPenelope, 5.“It helps that Kourtney now trusts Sofia,” a source tells PEOPLE. “The kids are allowed to spend time with her. Sofia likes having them and helps Scott. So far, the kids are giving Kourtney good reports about Sofia.”“Sofia has shown over and over again that she is willing to stay with Scott even when things are not great — but Scott is doing well lately,” continues the source, adding that the father of three “isn’t really partying” and “spends a lot of time with his kids.”John Sciulli/Getty ImagesRichie, 19, and Disick, who just turned 35, are currently celebrating his birthday in St. Barts with his kids.Documenting his birthday dinner on Saturday, the proud papa shared a sweet photograph of himself kissing his youngest son Reign.Richie wished her man a happy birthday with a photo of the two getting cozy in the water. Later that evening, she shared a photo on her Instagram story of the couple sharing a kiss on the lips.“Happy birthday babe! Thank you for being you,” she captioned the post. “Love you.”Want to keep up on the latest from PEOPLE?Sign up for our daily newsletterto get our best stories of the day delivered straight to your inbox.Sofia Richie/InstagramRELATED VIDEO: Sofia Richie andScott DisickKick Off Their Christmas Weekend TogetherWhile a source previously told PEOPLE that Kardashian, 39, still thinksRichie is “too young” for Disick, the couple has her blessing so long as their relationship helps keep him on track.“Sofia is helping Scott be a better, healthier person,” said the source. “Kourtney feels confident that Scott and Sofia takes good care of the kids. Scott is a great dad when he has his life together.”

Looks likeKourtney Kardashianhas givenSofia Richiethe seal of approval when it comes to her andScott Disick‘s kids.

Richie and Disick have beenofficially datingsince last September after initiallysparking romance rumorsa year ago. In recent months, the relationship appears to have gottenincreasingly serious, with Richie spending plenty of time — and evenvacationing— with Disick and Kardashian’s three children: sonsMason, 8,Reign, 3, and daughterPenelope, 5.

“It helps that Kourtney now trusts Sofia,” a source tells PEOPLE. “The kids are allowed to spend time with her. Sofia likes having them and helps Scott. So far, the kids are giving Kourtney good reports about Sofia.”

“Sofia has shown over and over again that she is willing to stay with Scott even when things are not great — but Scott is doing well lately,” continues the source, adding that the father of three “isn’t really partying” and “spends a lot of time with his kids.”

John Sciulli/Getty Images

2way

Richie, 19, and Disick, who just turned 35, are currently celebrating his birthday in St. Barts with his kids.

Documenting his birthday dinner on Saturday, the proud papa shared a sweet photograph of himself kissing his youngest son Reign.

Richie wished her man a happy birthday with a photo of the two getting cozy in the water. Later that evening, she shared a photo on her Instagram story of the couple sharing a kiss on the lips.

“Happy birthday babe! Thank you for being you,” she captioned the post. “Love you.”

Sofia Richie/Instagram

sofia

RELATED VIDEO: Sofia Richie andScott DisickKick Off Their Christmas Weekend Together

While a source previously told PEOPLE that Kardashian, 39, still thinksRichie is “too young” for Disick, the couple has her blessing so long as their relationship helps keep him on track.

“Sofia is helping Scott be a better, healthier person,” said the source. “Kourtney feels confident that Scott and Sofia takes good care of the kids. Scott is a great dad when he has his life together.”

source: people.com