In a comedic scene in the film Golden Chicken, Louis Koo was spotted having an intimate scene with hic co-star Michelle Lo.
According to an article in Asian Pop News, during filming, everyone broke into laughter after seeing Louis "sacrifice" his kiss.
He was also spotted wiping his mouth after the kissing scene ended.
Talking about her kiss with the Hong Kong heartthrob, Michelle laughed and said: "I was willing to film it even if there was no pay!"
She continued: "Actually, Louis is a very nice person. I was worried that others would think I was taking advantage of him, so I held back my acting.
"However, Louis told me not to worry and to just act boldly.
"In the end, there was seven to eight takes. I felt so embarrassed kissing him so many times."
According to Louis, he wiped his mouth as his lips was all covered with lipstick after filming.
He said: The scene was created for comedy effect. Everyone was laughing when filming it.
"There was nothing to sacrifice, please do not say that. It was all for the sake of acting."