Sher was born in Los Angeles, California on December 26, 1991. Sher’s paternal grandfather was Hans/John Leslie Sher/Schehr (the son of Michael Sher and Clara Driller). John was born in Vienna, Austria. Sher’s paternal grandmother is named Eva Tschaikowsky. Eva was born in Vienna, Austria. Her father was from Russia. Sher’s maternal grandfather was Benjamin M. Levine (the son of Morris Levine and Ida Levy). Morris was born in Russia. Ida was born in New York. She was raised by her single mother, a school teacher. She has an older and a younger brother. She began her acting career at age eight by participating in school plays, local theater productions and singing in her elementary school chorus. Her interest in acting was ignited after her appearance in a "Jaywalking" segment on The Tonight Show with Jay Leno gained network attention.