Baybi Day studied Performance Art and contemporary ballet at the Peabody Conservatory of Music in Baltimore Maryland. Upon moving to NYC in 1973 at the age of 16 she continued in her study of ballet and modern dance at the Alvin Ailey dance school primarily under Master Robert Christopher, of the Stuttgart Ballet Co. She later studied Jazz dance under Phil Black and also studied intermittently at the Joffrey Ballet school while participating in acting classes at HB Studios.

Abel Ferrara cast Baybi Day for the female lead role of Driller Killer along with her rival Carolyn Mars.

Baybi Day has also fashion modeled and performed on off Broadway venues in New York City including assistant with the Great Scott its Magic Review in live performance in the greater New York area.

Baybi Day has parented two boys. Her first sons father Tommy Santora ( the Attacker) in Driller Killer.

Baybi Day is writing a book and partial biography from her New York loft residence under her surname B.D. Bergman. (2013)