Brad Pitt and Angelina Jolie will conduct a quick visit to Istanbul next week. Rumor has it this visit is an answer to an invitation from Mars Entertainment company that owns many theaters in Turkey, while other speculations suggest that it is to film an advertisement for a popular perfume.However, last year's visit to check the Syrian refugee's camps suggests that this visit may be for the same reason. So it's still all up in the air.Brad and Angelina announced their engagement weeks ago, to get married next August in what was dubbed "Wedding of the millennium".