PRINCESS! Adorable new pics of North West & cousin Penelope

After photos emerged of them arguing on the street, North West and cousin Penelope have become the most adorable kid bff's..Proud ma Kim Kardashian shared this cute pic and captioned it

These wild ladies always help each other when they have boo boo's! #BFF'S #HappyBirthdayP

North seems to have played too much as she also sported a plaster on her knee ....