Source: TVB News WorldPhotos: ST, TNP, Apple Daily, AFP, ReutersCarina Lau's birthday may be just a couple of weeks away but there is a chance she may be spending it alone.Speaking at a pink bag charity shopping event, which she attended with Balia Chan and Mandy Lieu, last Friday (Nov 23), Carina explained that she had to work before her birthday and felt that her birthday was not a big deal. Thus, she would only rest a little and wait for a big birthday to celebrate this year.As her husband, Tony Leung Chiu-Wai, was away shooting the movie The Grandmaster, Carina does not know whether he will have time to celebrate it with her.When asked if she was upset her husband would not be with her on her birthday, Carina replied: "No, how old am I? Actually we don't have to go to dinner, but a greeting and a gift have to be present."She also revealed that Tony would give a birthday present to her every year and she has to find it herself, like a treasure hunt. Despite the hassle, she thought it was fun and that it added a mystery element to the gift.