16 September 2012 Jackie was the 'surprise' guest invited by Wang Lee Hom to join him onstage at his last concert in Hong Kong. Jackie and Lee Hom sang 'You Cai Hua' the theme song from "Little Big Soldier" and Jackie promoted his new movie "CZ12" to a capacity crowd.
SOURCE: SINA.COM and IFENG.COM
Jackie attempts to teach Wang Lee Hom to say "I love you" in Cantonese to the delight of the crowd. Video was uploaded by Wang Lee Hom on Weibo.