Catanzaro was born in Glen Ridge, New Jersey. She grew up in nearby Belleville where she attended Belleville High School. Catanzaro is of Italian descent. She stands about 5 ft (1.524 m) tall and weighs . She began doing gymnastics at age 5. She attended Towson University in Towson, Maryland, from 2009 until 2012. At Towson, she studied early childhood education.