13 is a musical with music and lyrics by Jason Robert Brown and book by Dan Elish and Robert Horn.

Elizabeth Egan Gillies is an American actress and singer. She made her Broadway debut at age 15 in the musical 13, playing the character of Lucy. After her first television appearance in The Black Donnellys (2007), she went on to star as Jade West in the Nickelodeon series Victorious (2010–2013), Gigi Rock in the FX comedy series Sex & Drugs & Rock & Roll (2015–2016) and Fallon Carrington on The CW reboot of Dynasty (2017–2022). She voiced Daphne in the Nickelodeon series Winx Club (2011–2014) and Catwoman / Selina Kyle in the animated film Catwoman: Hunted (2022), and has appeared in various feature and television films, including the horror film Animal (2014), the television film Killing Daddy (2014), the comedy film Vacation (2015), and the black comedy thriller film Arizona (2018).