North West goes WILD as she animatedly sings Happy Birthday at sister Chicago's party

North West, 9, Smiles With Mom Kim Kardashian As They Hit The Slopes In Throwback Video: Watch

North West, 9, Feeds Pomeranians Tasty Human Food In New TikTok Video: Watch

North West treats Pomeranians to a feast of human food after controversy over keeping dogs in garage