On October 4th, the�Wonder Girls celebrated member Yubin's 24th birthday! Their official Twitter cheered, "Happy birthday, Yubin". A cozy photo was attached of the girls holding up a delicious cake. Yubin also tweeted, "Thank you so much for all of the birthday wishes, everyone!� I love you." Fans commented back, "Everyone's gotten so much prettier", "Happy birthday Yubin", and "Sohee looks adorable with her eyes closed." Source + Photos: Star News via Naver