Sisters Kim & Kourtney Kardashian Spend Their Sunday With Friends at a Beach Party

Kim Kardashian holds two refreshing drinks her hand

while attending a party on the beach on Sunday afternoon (July 10) in Malibu, Calif.

To the low key gathering with her friends and children, along with her older sister, Kourtney Kardashian, and her own children.

The 41-year-old reality star and mom of four stepped out

Kourtney was seen wearing a pair of cool combat boots at the event while she chilled out with their pals.

Kim, dressed in a bold blue Balenciaga look, just arrived back from Paris, where she was spotted at several shows with her eldest child, North.