Justine Dancer debuted in the cartoon series in the Chapter 4 TV special "Dragon Games", which premiered on January 29, 2016. She is voiced by Bresha Webb in the English version of the cartoon.
Justine plays on her MirrorPhone and eventually falls asleep until her friend Melody wakens her. She speaks about a 'dream' about dancing in her own dance studio. She finds someone ruined her dance shoes. She allows Ashlynn, Blondie, and Humphrey to set up a trap in her bedroom. She is annoyed when her roommate Ramona, says the plan won't work. Justine sleepwalks and steals the shoes. Baba Yaga wakes Justine who is sleep dancing, Baba Yaga tells her that it's due to "enchantments" and that her older sisters also went through it. She also tells her that she can start controlling her power "the gift of eternal dance". Justine thanks all the girls for helping her. Moonlight Mystery She is seen dancing to Melody's music. Piping Hot Beats
Justine photobombs Blondie's MirrorCast, along with Farrah, to celebrate the reintroduction of the Dragon Games and is seen within the spectators of the games. She is walking outside the school with Ginger Breadhouse. Later, she is one of the students who joined Jillian Beanstalk's rebellion and was able to escape the cursed school through a giant beanstalk. She attends Apple's funeral. Dragon GamesDuchess comes over to Justine to which the latter is simply having fun, but Duchess says that she, as in Duchess, is the best dancer ever after at Ever After, but Justine doesn't feel threatened and is happy to accept her challenge to a dance. Epic Winter
Unlike the 'Signature - Royals' doll and the signature artwork, where the tiara or crown she wears and her shoes are all silver, in the cartoon lining, Justine sports little gold gems or diamonds on her tiara and heeled shoes. Also, along with that, her feet and shoes are drawn to appear very small.