GiaNina Paolantonio was born as GiaNina Marie Paolantonio on June 10, 2005 in Oakhurst, New Jersey, USA. GiaNina is a professional dancer, actress and singer who made her Broadway debut in Matilda the Musical at just 9 years old. In 2017 she got a role in the feature film The Greatest Showman (2017). She went on to be featured on the 8th season of the reality television series Dance Moms (2011). She performed as a Knicks City Kid and a Brooklyn Nets Kid. She toured with Mariah Carey during her All I Want for Christmas Is You concerts. She was a member of the Big Battle Dance Crew on Season 2 of Lip Sync Battle Shorties (2016) in 2018. She has a brother name Joey.