"Bastos Ka", Blurted Out by Marian Rivera to an Interviewer

Is it true that Marian Rivera, the famous Telebabad Queen of GMA7, showed some b*tchy attitude towards an interviewer? This is reportedly happened before the drama series Carmela. 

According to the report, after the interview - some hellos, updates and promotion of the series Carmela, she was then asked if her scenes with Alden Richards is okay for Dingdong or does she need to ask permission first. The interviewer (reporter) and the cameraman was shocked that Marian shouted "Bastos ka!" and left.