Lily Hagan began her dance training in Wyckoff, New Jersey with Dance Theater of New Jersey. In 2016, she specifically trained in the Vaganova method under Erin Forrest with Forrest Academy of Ballet New York. While attending multiple summer intensives including American Ballet Theatre, Ellison Ballet, Kirov Ballet, and Gelsey Kirkland Classical Ballet, she had the excellent opportunity to travel to St. Petersburg, Russia and train under former Kirov Ballet Artistic Director, Oleg Vinogradov for the International Youth Ballet Festival. To further her training, Lily was accepted under full scholarship to train with Evgenia Singur and Edward Ellison at Ellison Ballet. For the 23/24 season, Lily was offered a position in the Colorado Ballet Studio Company where she had the opportunity to perform in dream productions such as Swan Lake, Jekyll and Hyde, Coppelia, and Rubies.