Haschak Sisters

California pop outfit and real-life siblings the Haschak Sisters are Internet stars who rose to prominence by posting online music videos of themselves performing covers and original songs. Hailing from Temecula, the Haschak Sisters feature Madison, Gracie, Sierra, and Olivia, all of whom were under 15 years of age when they first started posting videos in 2015. From adolescence, the sisters showed an interest in performing, studying dance at the studio where their mother, Kathi Haschak, worked as the studio manager. Their father, John Haschak (a member of the studio's Tapping...