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
louis last name is tomlinson
Liam's last name is Payne.
Justin bieber isn't in one direction he flies solo
Last year.
Horan.
Styles.
payne
One last time
Niall from One Direction's last name is Horan.