X1 (엑스원) - 웃을 때 제일 예뻐 (Like always)<br /><br />X1 OFFICIAL CHANNEL<br />- Youtube : www.youtube.com/x1official101<br />- twitter : www.twitter.com/x1official101<br />- Instagram : www.instagram.com/x1official101<br />- Facebook : www.facebook.com/x1official101<BR>X1 PREMIER SHOW-CON 최신 클립 다시보기 : http://www.tving.com/smr/vod/player/P/C01_B120194830
