(LEAD) G-Dragon denies rumor that he is dating actress Lee Ju-yeon
(ATTN: CHANGES headline, lead; ADDS YG Ent's official comments in 2-3 paras)
SEOUL, Nov. 9 (Yonhap) -- G-Dragon, the leader of K-pop boy band BIGBANG, denied the rumor that he is dating actress Lee Ju-yeon, a former member of girl group After School, o