<P> Kel Mitchell and Lizzy Greene </P> <Table> <Tr> <Th> Artist (s) </Th> <Th> Song (s) </Th> </Tr> <Tr> <Td> JoJo Siwa </Td> <Td> "Boomerang" / "Hold The Drama" / "Kid In A Candy Store" </Td> </Tr> <Tr> <Td> N.E.R.D </Td> <Td> "Lemon" </Td> </Tr> </Table> <Tr> <Th> Artist (s) </Th> <Th> Song (s) </Th> </Tr> <Tr> <Td> JoJo Siwa </Td> <Td> "Boomerang" / "Hold The Drama" / "Kid In A Candy Store" </Td> </Tr>

Who won the nickelodeon kids' choice award 2018