Sisters Katherine Kallinis Berman and Sophie Kallinis LaMontagne are the co-founders of Georgetown Cupcake, stars of Cupcake Cam LIVE and DC Cupcakes on TLC, and best-selling authors of The Cupcake Diaries and Sweet Celebrations. Inspired by their grandmother, in 2008, the sisters traded careers in fashion and venture capital to follow their passion for baking and opened Georgetown Cupcake in Washington, DC. Since 2008, Katherine and Sophie have expanded Georgetown Cupcake with locations in Bethesda, New York City, Boston, Los Angeles, and Atlanta. Georgetown Cupcake also ships its cupcakes nationwide.