Finally, the day of Girls' Generation's seventh anniversary has arrived, and already fans are having a party on Twitter to celebrate!

The hashtags "#9irlsGenera7ion" and "#소녀시대7주년축하해 (Congratulations to Girls' Generation on their 7th anniversary)" are already ranking high on the worldwide trending list.  Make sure you congratulate the girls on this amazing milestone in their tremendously successful career, as well, through Twitter!

They definitely deserve the celebrations!