Girls’ Generation Taeyeon’s fans revealed their crazy love for their idol.

Recently, a photo titled, “Taeyeon’s birthday bus advertisement in Seoul” was uploaded on an online community board.

The photo showed a bus that is currently running around the streets of Seoul having advertisements of Taeyeon’s upcoming 25th birthday. On the ad were the message saying, “Congratulations on Taeyeon’s 25th Birthday” along with “20130309”, which is her birthdate.

Netizens commented, “The fans are amazing”, “Happy birthday”, “Amazing” and “I’m sure Taeyeon was very happy about it.”