Corey Gamble When Scott's Away The Kids and I Play

9/20/2015 7:29 AM PDT

Corey Gamble -- When Scott's Away, The Kids and I Play (PHOTO)

Kris Jenner just took a big step in her relationship with Corey Gamble, who played faux dad for a day with Kourtney Kardashian's kids.

Corey was clutching Penelope Disick as they all strolled in L.A. Saturday.  Kourtney and Mason are fronting the line.  Scott Disick is not part of the crew.