Who is One Directions biggest fan?

There are many devoted One Direction fans, and it's difficult to identify a single "biggest fan." Directioners, as One Direction fans are often called, have shown immense support for the boy band through various means, such as attending concerts, buying albums, streaming music, following them on social media, creating fan art, and actively participating in fan communities. The level of dedication varies among fans. While it's virtually impossible to measure who may be considered the "biggest" fan as it's a subjective matter based on individual commitment and expression of enthusiasm, all the loyal supporters contribute to One Direction's success and cultural impact.