When Ella Koon and her doctor boyfriend Dr. J started sparking, once rumored with Ella, Ron Ng had been secretly shooting series to earn money. The other night, at approximately 2pm, Ron and Sire Ma were in St. Stephen's Beach shooting for TVB new sitcom "The Queen of the Office". The scene talked about Ron Ng who had on glasses and a checkered shirt with his girlfriend in the series Sire Ma walking and talking on the beach. Later, he unbuttoned the buttons on his shirt to show Sire his rose tattoo on his chest. When the staff were working on the camera angles for Sire, Ron got onto the air-conditioned car enjoying the breeze. After filming, he quickly left the location. Sources: The Sun
