The Greatest Super Fan Battles of All Time

There's a thin line between devoted fandom and vicious army.

Getty Images 1/18 Next

One Direction's Directioners (and Zayn Fans) vs. Little Mix's Mixers

Breaking up is rough, especially when your ex is a former member of the biggest boy band in the world. Zayn Malik and Perrie Edwards broke up in July 2015. In August, Little Mix singer Jade Thirlwall appeared at a meet-and-greet holding a sign that read "Zayn is irrelevant," welcoming the wrath of One Direction super fans, Directioners.