Kourtney Kardashian and Scott Disick arrived separately for their son's birthday party.
The pair have been increasingly leading separate lives this year with Disick dating Sophia Richie, 19.
The pair put their differences to the side as they helped Mason and his buddies spend time together for his birthday at Bowlero Woodland Hills bowling alley.
Kourtney, 38, looked sexy in a fitted blazer and black leather pants as she seemed in good spirits.
Scott, 34, wore a bright orange sweatshirt teamed with Khaki pants and white sneakers as he celebrated with his son.
The reality star was seen carrying her younger son Reign, three, in her arms, to the party to join in the fun while Kendall Jenner, 22, was also at the party too.
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