Photo: Sofia Richie/Instagram; Inset: Denise Truscello/WireImage

sofia-richie

Sofia Richieis taking advantage of her weekend alone.

Richie soaked up the sun in Malibu on Saturday after her boyfriendScott Disickjettedoff to New York Citywith his three kids and exKourtney Kardashianover the weekend.

“Tina’s villa,” she captioned the snap.

Sofia Richie/Instagram

sofia-richie-2

Meanwhile, Disick, 35, and Kardashian, 39, flew to NYC with their children Mason, 8, Penelope, 6, and Reign, 3 on Friday.

“Kourtney and Scott are friends and co-parents. They have a very good relationship, so it’s not strange that they are together with the kids,” a source told PEOPLE. “They want the kids to feel like they are still a family and can have fun together.”

RELATED VIDEO:Kourtney Kardashian‘Trusts’ Sofia Richie with Her andScott Disick’s Kids: Source

“Lately, Kourtney is very happy with Scott,” the insider added. “He is taking care of himself, isn’t partying and is a great dad.”

Although the exes, who ended their nine-year relationship in July 2015, did not pose for any photos together, they both documented the family trip on social media.

Disick and Richie have been dating for just over a year aftersparking romance rumorsin spring 2017. While the couple has been private about their relationship, Richie has officiallyearnedthe Kardashian family’s approval.

Romain Maurice/Getty Images for Haute Living

775087956JR00013_Haute_Livi

“Everyone really likes her,” a source close to theKeeping Up with the Kardashiansstars told PEOPLE. “They think she’s a great influence and Scott is so in love, so it’s not a problem.”

source: people.com