What is Lee Si-yeon?
{{Infobox person | name = Lee Si-yeon | birth_name = Lee Dae-hak | birth_date = {{birth date and age|df=yes|1980|7|24}} | birth_place = [[South Korea]] | occupation = Actress, model | yearsactive = 1999–present }} {{Korean name|Lee}} {{Infobox Korean name |title=[[Korean name]] |hangul = 이대학 |hanja = 李大鶴 |rr= I Dae-hak |mr= Yi Dae-hak |hangulstage = 이시연 |hanjastage = 李詩姸 |rrstage = I Si-yon |mrstage = Yi Si-yon |color = khaki }} '''Lee Si-yeon''' ({{korean|hangul=이시연|hanja=李詩姸}}, born July 24, 1980, is a [[South Korea]]n [[Model (person)|model]] and [[actress]]. Lee Si-yeon is [[transgender]], meaning she was raised as a boy but later decided to live as a woman. Lee's [[birth name]] was '''Lee Dae-hak''' ({{korean|hangul=이대학|hanja=李大鶴}}). She changed it to Lee Si-yeon when she did ''gender transition'' to live as a woman. In 2007, Lee decided to use [[sexual reassignment surgery]] to change her body to be more like other women's bodies and less like men's bodies.<ref>[http://news.naver.com/main/read.nhn?mode=LSD&mid=sec&sid1=106&oid=119&aid=0000043360 큰 용기 이시연, ‘누가 그녀에게 돌을 던지랴’] 데일리안 2007.11.09 {{in lang|ko}}</ref><ref>[http://www.kwnews.co.kr/nview.asp?s=801&aid=210041200182 트렌스젠더 배우 이시연 가수 변신···“난 여자가 됐어”] 강원일보 2010.04.13 {{in lang|ko}}</ref> Her uncle is [[Seo Jae-hyok]], a member of the South Korean musical band [[Buhwal]].<ref>[http://stoo.asiae.co.kr/news/stview.htm?idxno=2010042111365816630 트랜스젠더 가수 이시연, 부활 서재혁과 5촌 당숙지간] {{Webarchive|url=https://web.archive.org/web/20131214000038/http://stoo.asiae.co.kr/news/stview.htm?idxno=2010042111365816630 |date=2013-12-14 }} 스포츠투데이 2011.04.21 {{in lang|ko}}</ref> In 1999, Lee participated in the Anti-Miss Korea competition.(안티 미스코리아 대회)<ref>[http://www.hankyung.com/news/app/newsview.php?aid=2007110968217 성전환 수술한 이대학, 여배우로 성공할까] 한국경제 2007.11.09 {{in lang|ko}}</ref> In 2010 she did her [[debut|first performance]] as a singer.<ref>[http://www.newsis.com/ar_detail/view.html?ar_id=NISX20100506_0005105495&cID=10604&pID=10600 트랜스젠더 이시연 가수 데뷔 '여자가