Abigail "Abby" Shapiro, born on November 8, 1993, in Burbank, California, is an American conservative influencer, opera singer, actress, YouTuber, and social media personality known under the online persona "Classically Abby." She is the younger sister of prominent conservative commentator Ben Shapiro. Shapiro gained recognition after her conversion to Orthodox Judaism in 2018, which she frequently discusses in her content promoting traditional values, Orthodox Judaism, femininity, family-oriented lifestyles, classical education, modest fashion, and personal empowerment through conservative principles. Her content attracts a dedicated audience on platforms like YouTube, Instagram, and TikTok, and she has faced online controversies.

Professionally, Shapiro pursued a career in the performing arts early on. She appeared as an actress in the 2007 short film "A Light for Greytowers" and trained as an opera singer, earning a Bachelor of Music in Vocal Performance from the University of Southern California's Thornton School of Music. After completing her education, she shifted focus to online influencing, leveraging her vocal talents in musical performances shared on social media. Shapiro is married to Jacob Roth, a violinist, and they have children together; she often highlights her family life as central to her worldview. While not as politically outspoken as her brother, her content aligns with conservative ideologies, occasionally sparking debates on gender roles and cultural conservatism.