She is the sister of notable conservative commentator Ben Shapiro .
Shapiro is currently pursuing her Professional Studies Certificate from the Manhattan School of Music , under the tutelage of Joan Patenaude-Yarnell. She holds a Masters degree from the Manhattan School of Music.
During Abigail’s time at USC, she performed in the USC Thornton Opera productions as well as the Chamber Opera of USC. As a first-year master's degree candidate at the Manhattan School of Music, Abigail also had the opportunity to perform a principal role in MSM's Opera Theater. She was subsequently cast in a principal role the following year.
Shapiro's operatic appearances include Vitellia from La clemenza di Tito , Madame de Tourvel from Dangerous liasons , Dido from Dido and Aeneas , Ottavia from L'incoronazione di Poppea and Lucy from The Telephone . 
Shapiro performed in FOX’s Glee as a member of the Golden Goblets in the finale episode of the third season. 
Shapiro was recipient of the Margaret Hoswell van Der Marck Scholarship in Opera at the Manhattan School of Music. She was also awarded a Trustee Scholarship at USC, a full-tuition award merited for both academic and musical achievements.
Shapiro was a semi-finalist in the Spotlight Awards and a preliminary round winner in the Classical Singer Competition.