Kim Kardashian and kids North and Saint West are jetting off to Costa Rica for a holiday in the sun!

The trio was spotted boarding a private plane in LA on Jan. 26 with the rest of the 36-year-old’s famous family for a trip to Costa Rica — though hubby Kanye West was nowhere to be seen.

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But an insider tells People magazine that his absence doesn’t signal trouble for the couple. “[He] was never supposed to come. He is busy working on his music in LA,” the source shares. We’re not entirely surprised to hear that the rapper is focused on recording and writing. After all, Kim did recently share a photo of Saint visiting his dad in the studio on her website.

While there appears to be no drama with Kimye, the source says that Kourtney Kardashian’s on-again, off-again beau Scott Disick was “disinvited” from the vacay. “Scott is still in the dog house from partying at Sundance,” the insider reveals. As Life & Style previously reported, the father-of-three was spotted at a nightclub and allegedly threw a rager at the home he was renting in Park City, UT.

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“He had a pretty wild party back at his house where lots of girls were in his hot tub,” a source told the New York Post. “He has only been out at night, and stays out till 7 a.m. partying and sleeps all day.”

Fans were also surprised to see that Kylie Jenner brought along Tyga’s four-year-old son King Cairo. The tot’s mom, Blac Chyna, may be engaged to Rob Kardashian, but it doesn’t look like the controversial couple was included on this trip. Kylie has shown time and time again how much she loves the little boy, and it appears the feeling is mutual.

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Scroll through the gallery below to see more of North and Saint’s cutest photos!