Kim Kardashian Watches Mason & Penelope While Kourtney Gives Birth!

Kim Kardashian‘s adorable 17-month-old daughter North West holds hands with her 2-year-old cousin Penelope while attending the Disney on Ice – Let’s Celebrate show at the Staples Center on Sunday (December 14) in Los Angeles. The young kids were also joined by Kourtney Kardashian‘s eldest child Mason (who was celebrating his 5th birthday that day)