Kelly Clarkson had two very special helpers waiting in the wings for the final night of her Las Vegas residency 🥹❤️ Her daughter River, 12, and son Remy, 10, tossed ping pong balls and guitar picks to the crowd while their mom belted out her encore, “Since U Been Gone” 🎤✨ A pretty sweet way to close out her Vegas run! 📽️: jpasc24 #kellyclarkson #vegas