<Tr> <Th> Parent (s) </Th> <Td> Tom Siwa (father), Jessalyn Siwa (mother) </Td> </Tr> <Tr> <Th> Relatives </Th> <Td> Jayden Siwa (brother) </Td> </Tr> <P> Joelle Joanie "JoJo" Siwa (born May 19, 2003) is an American dancer, singer, actress, and YouTube personality . She is known for appearing for two seasons on Dance Moms along with her mother, Jessalynn Siwa, and for her singles "Boomerang" and "Kid in a Candy Store". Siwa posts daily videos of her day - to - day life on a second YouTube channel . </P> <P> Siwa was a top - 5 finalist on the second season of the series Abby's Ultimate Dance Competition and the youngest contestant on season 2 . She appeared on the show with her mother and was eliminated in week 9 . </P>

What is jojo's last name from dance moms