Photos: Sexy mum Kourtney Kardashian steps out with her kids on a playdate

Kourtney Kardashian looked very fit as she stepped out in Beverly Hills on Thursday with her two children, 3 year old Penelope and her 16 months old son, Reign on a play date. Kourtney who stepped out in a tight white tank top, ripped boyfriend jeans, wore matching outfits with her son. More photos after the cut..