6. Niall Horan
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Hair Idols: The Top Ten Pop Men
5. 6. Niall Horan
The second member of One Direction to make it into our top ten is Niall Horan. The cheeky Irishman has changed his style radically since the group first burst onto the scene and is currently rocking a bleached blonde quiff that even band mate Zayn Malik is probably a bit jealous of.