Harry Styles is the youngest member of One Direction and Louis Tomlinson is the oldest.
Sincerely Yours,
Directioner
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Harry Styles.
Harry Styles :)
liam is the yongest one direction singer
Harry Styles<3
harry styles
I belive from what reaserch says he is the youngest.
jean Kennedy
Nick Jonas
Beast Boy
roc royal
Aaron Cruden I think
Nick Jonas is the youngest singer