Check out [Picture] 140210 SNSD Seohyun Twitter Update: 'Sooyoung Unnie~~ Happy Birthday'
Check out [Picture] 140208 SNSD Seohyun Twitter Update
The caption of the photo:
소녀시대 티저나왔어요!! Mr.Mr. 라고~들어는보셨나요??ㅎ 못보신분 계시면 지금바로gogo!♥
SNSD's teaser released!! called Mr.Mr.~ have you listened to it??ㅎ if there's anyone who hasn't, right now, gogo!♥
Source: sjhsjh0628 on twitter