Yoo Jae Suk wasn't invited to Bae Yong Joon's wedding?

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Guests Kim Won Joon and Lee Ah Hyun were talking about how close in age they were to each other since they were both born in the early 70s. This prompted Yoo Jae Suk to mention that he was born in 1972, just like Lee Ah Hyun. 

The talk then led to other celebrities who are also gen X-er's, such as rocker Seo Taiji and Bae Yong Joon. When 'Yon-sama' (Bae Yong Joon's nickname in Japan) came up, Park Myung Soo threw a question at his co-host, asking, "Did you go to the wedding?" Yoo Jae Suk whispered to him, "I didn't get an invitation," and mumbled in a hushed voice, "You know I can't go without an invitation," but not low enough as everyone heard him and laughed aloud at the host's chagrin.