Before the live broadcast of tvN's "Opera Star 2011", tvN held a photo wall event at the Sang Myung Art Center in Seoul. This star-studded event saw a list of stars turning up to support their mates and included the likes of f(x)'s Victoria, Krystal, and Luna; SHINee's Onew, Taemin, Minho, and Key; CSJH's Dana; Jewelry's Ye Won, Joo Yeon and Se Mi; 2AM's Jo Kwon and Jinwoon; 8eight's Baekchan, Lee Hyun and Joo Hee; Clazziquai's Horan; Handsome People; songwriter Bang Shi Hyuk; and Byul. On this day, eight top singers - including Kim Chang Ryul, Shin Hae Chul, Im Jung Hee, Moon Hee Ok, Tae, JK Kim Dong Wook, Jewelry's Kim Eun Jung, and CSJH's Sunday - participated in a survival opera competition, singing in front of a 1,200-person audience. Kim Chang Ryul sang Donizetti's "Una Furtive Lagrima (A Furtive Tear)" from L'Elisir d'amore (The Elixir of Love), Shin Hae Chul performed "Granada" from the same opera, Im Jung Hee sang Bizet's "Habanera" from Carmen, and Moon Hee Ok sang Bellini's "Casta Diva" from Norma. Also, Tei performed "La donna e mobile (Woman is Fickle)" from Verdi's Rigoletto, JK Kim Dong Wook sang "Toreador's Song" from Bizet's Carmen, Kim Eun Jung did�"O mio babbino caro (Oh My Dear Papa)" from Puccini's Gianni Schicchi, and Sunday sang Handel's "Lascia ch'io Pianga (Let Me Weep)" from the opera Rinaldo. After the viewers select two members through a real-time text message vote, the four judges - made up of mentors Suh Jung Hak and Kim Soo Yeon, as well as professionals Suh Hee Tae and Kang Il Bum - will evaluate the performances and eliminate a member. Check out the photos below! [gallery] Source: SPN via Nate 1, 2, 3, 4, 5