there is no last member of one direction, they were put together as a band altogether in the x factor.
his last name is malik
louis last name is tomlinson
Liam's last name is Payne.
Louis' last name is Tomlinson
Justin bieber isn't in one direction he flies solo
Styles.
payne
Last year.
Horan.
One last time
Niall from One Direction's last name is Horan.