As the November chilly weather hits, instead of bundling up,  Kourtney Kardashian is taking it all off. 

The Staying up with the Kardashians alum jetted off to Cabo San Lucas with fiancé Travis Barker On Nov. 17, to celebrate Blink-182 drummer’s 46th birthday, and Kourtney bared (almost) all in steamy selfies she shared on Nov. 22. 

“La romántica,” Kourtney captioned a series of photos that captured her sun-filled trip with Travis’ two kids, Alabama15 and Landon, 18, and Kourtney’s younger son, You are the king6 and 7 year olds Penelope, 9. 

The Poosh founder posed for a sexy mirror selfie and then an up-close poolside pic showing off her teeny bikini. 

According to an eyewitness the mixed family enjoyed a wonderful time on vacation. “They spent their time at the beach and pool, relaxing and hanging out,” the source told CelebHomes News. Travis had his birthday celebration with mariachis.

The source says that the children are acting as siblings already. Alabama had a great time playing with Reign. Kourtney left Travis and Travis to have some time alone, and Alabama took Penelope along with Reign to the pool. They looked just like one happy family to their younger siblings.