少女時代 4.21大阪 ソシコンファイナル JCD 130428 1080P

http://www.youtube.com/watch?v=IvCY-Ej3Wgs&feature=youtu.be

Siwon and Seohyun join Kyuhyun and YoonA in new ‘SKT LTE’ CFs

http://www.allkpop.com/2013/04/siwon-and-seohyun-join-kyuhyun-and-yoona-in-new-skt-lte-cfs

Girls' Generation to Hold First Solo World Tour Since Debut with 'Girls & Peace' this June

http://www.kpopstarz.com/articles/25987/20130426/girls-generation-to-hold-first-solo-world-tour-since-debut-girls-and-peace.htm

Cosmo Party ~
http://www.wonderfulgeneration.net/2013/03/snsd-at-10-corso-como-seoul-melody-launching-party.html

http://www.kpopstarz.com/articles/26022/20130426/girls-generation-seohyun-reveals-her-wave-dance.htm

Girls' Generation Seohyun Reveals Her Wave Dance?

http://www.kpopstarz.com/articles/26022/20130426/girls-generation-seohyun-reveals-her-wave-dance.htm

Girls' Generation Seohyun Reveals Her Wave Dance?

http://www.kpopstarz.com/articles/26022/20130426/girls-generation-seohyun-reveals-her-wave-dance.htm

Seohyun SKT Model

LTE INFINITE

http://blog.sktworld.co.kr/3314

Sunny & Seohyun will become a narrators for new MBC program "진짜 사나이/a Real Man" First broadcast aired April 14th 6.25PM

http://news.naver.com/main/read.nhn?mode=LSD&mid=sec&oid=076&aid=0002326528&sid1=001&lfrom=twitter

Seohyun Voice Dub

[INFO] Seohyun will be dubbing Edith's voice (Edith is the little troublemaker) on 'Despicable Me 2' a.k.a.'Super Bad 2' in korean

130330 Tiffany, Seohyun at Super Joint Concert

http://www.youtube.com/watch?v=fe4uGhLWoYU&feature=youtu.be