Wu Chun
Choi co-starred with Wu Chun and Hu Ge in "The Butterfly Lovers", based on the Chinese legend of the same name, which was released on 9 October 2008. Throughout the filming, rumors of an off-set romance between Choi and Wu Chun developed. Though they have denied such rumors, Wu stated that the pair reached an agreement with director Jingle Ma to collaborate once again in the future.