Super Junior's Choi Siwon and actor Lee Sung Jae had a guys' night out recently. Choi Siwon posted on Twitter, "Lovely evening. Had a good dinner with Sung Jae!" along with an adorable photo of the two with shocked expressions. Fans commented, "It's good to see you two close like brothers," "Dinner with two awesome men, even thinking about it is awesome," and "I hope your friendship goes on forever." Choi Siwon and Lee Sung Jae are currently starring in 'Poseidon' on KBS2. Source + Photo: Sports Chosun via Naver