Elementary entrepreneur Gabrielle Goodwin is now selling her hair accessory invention GaBBY Bows in 50 āOnce Upon a Childā stores in 16 states across the U.S. With the help of her mom, Rozalynn, the 10-year-old CEO solved the age-old problem of disappearing girlsā hair barrettes by inventing The Double-Face Double-Snap Barrette by GaBBY.