She is Barbie and Skipper's younger sister, and Chelsea's older sister. Stacie, a passionate extreme sports enthusiast, keeps everyone on their toes with her hyperkinetic energy, her rigid schedule, and her totally honest opinions about tedious activities. Stacie is Barbie's sporty sister, always ready for an adventure or mystery. She likes to keep to a schedule and bring order to chaos, but she hates lateness and disorganization. Her favorite sports are soccer and basketball.