Gabrielle Union: Gabrielle Union. Actress: Bring It On. Gabrielle Union was born on October 29, 1972, in Omaha, Nebraska, to Theresa (Glass), who managed a phone company, and Sylvester E. Union, a military sergeant and business executive. When she was eight, her family moved to Pleasanton, California, where she grew up and attended high school. There, Union was an all-star point guard and a year-round athlete participating in soccer, basketball, and track....