<Li> Format: Digital download </Li> <Tr> <Td_colspan="14"> "--" denotes releases that did not chart or were not released in that territory . </Td> </Tr> <Table> List of singles as lead artist, with selected chart positions, showing year released and album <Tr> <Th> Title </Th> <Th> Year </Th> <Th_colspan="4"> Peak chart positions </Th> <Th> Album </Th> </Tr> <Tr> <Th> US Bub . </Th> <Th> US Pop </Th> <Th> CAN </Th> <Th> NZ Heat . </Th> </Tr> <Tr> <Th> "Taking You" </Th> <Td> 2016 </Td> <Td>--</Td> <Td>--</Td> <Td>--</Td> <Td>--</Td> <Td> Only the Beginning </Td> </Tr> <Tr> <Th> "Nobody Gotta Know" </Th> <Td>--</Td> <Td>--</Td> <Td>--</Td> <Td>--</Td> </Tr> <Tr> <Th> "Just to See You Smile" </Th> <Td>--</Td> <Td>--</Td> <Td>--</Td> <Td>--</Td> </Tr> <Tr> <Th> "Free" </Th> <Td>--</Td> <Td>--</Td> <Td>--</Td> <Td>--</Td> </Tr> <Tr> <Th> "You and Me at Christmas" </Th> <Td>--</Td> <Td>--</Td> <Td>--</Td> <Td>--</Td> <Td> Non-album single </Td> </Tr> <Tr> <Th> "Something Different" </Th> <Td> 2017 </Td> <Td> 22 </Td> <Td> 33 </Td> <Td>--</Td> <Td>--</Td> <Td> Something Different </Td> </Tr> <Tr> <Th> "Why Don't We Just" </Th> <Td>--</Td> <Td>--</Td> <Td>--</Td> <Td>--</Td> <Td> Why Don't We Just </Td> </Tr> <Tr> <Th> "These Girls" </Th> <Td> </Td> <Td>--</Td> <Td> 82 </Td> <Td>--</Td> <Td> Non-album single </Td> </Tr> <Tr> <Th> "Trust Fund Baby" </Th> <Td> 2018 </Td> <Td> 20 </Td> <Td> 30 </Td> <Td>--</Td> <Td>--</Td> <Td> 8 Letters </Td> </Tr> <Tr> <Th> "Hooked" </Th> <Td> 22 </Td> <Td>--</Td> <Td>--</Td> <Td> 8 </Td> </Tr> <Tr> <Th> "Talk" </Th> <Td> 18 </Td> <Td>--</Td> <Td>--</Td> <Td>--</Td> </Tr> </Table> <Tr> <Th> Title </Th> <Th> Year </Th> <Th_colspan="4"> Peak chart positions </Th> <Th> Album </Th> </Tr>

When was hooked by why dont we released