Twitter just released their official list of the most-active music fan bases this week, and you might be surprised by who made the cut.

While Justin Bieber's Beliebers predictably made No. 1, followed by One Direction's Directioners in second place, the Sones, who are the fans of K-pop princesses Girls' Generation, came in at No. 5.

Girls' Generation was the only girl group on the list, meaning that Little Mix's Mixers and Fifth Harmony's Harmonizers really need to step their stanning up!

This is yet another big victory for Girls' Generation, who are already the most-viewed girl group on YouTube.

Besides Girls' Generation, K-pop boy band BIGBANG came in at No. 18 thanks to the efforts of their VIPs.

You can check out the full list on Popdust here.