And Kendall Jenner is making sure that her adorable nephew Mason doesn't feel left out following the birth of Kourtney Kardashian and Scott Disick's second child, Penelope Scotland.
The 16-year-old model spent yesterday entertaining the two-year-old tot on the beach in Malibu, California.
Model figure: Kendall showcased her washboard abs in a cute turquoise bikini
