Shawn Yue and Ivy Chen were rumoured to be dating after their close interactions on Weibo.
According to an article in Asian Pop News, fans have also found the pair to be compatible and rallied for them to be together.
However, when promoting his new movie As The Light Goes Out, the Hong Kong star disappointed his fans when he dismissed the rumours.
He said: "It's only for fun. Everyone was trying to help us get attached. There is really no such possibility.
Shawn added that his mother was initially worried about his marriage.
"She has now given up on asking me to get married."