Kourtney Kardashian proves she already fits into Travis Barker's family

Kourtney Kardashian spent some quality time with her future stepchildren, who her fiancé Travis Barker shares with ex-wife Shanna Moakler. After decking out her home with Christmas lights and holiday decorations, the 42-year-old star hosted her 46-year-old man’s daughter Alabama, 15, son Landon, 18, and stepdaughter Atiana