LOS ANGELES: Allison Williams' engagement still doesn't feel ''real''.  The 'Girls' star got engaged to her boyfriend of three years Ricky Van Veen after he popped the question last month and she admits she has no idea when and where they will marry, much to the frustration of her friends.  She said: ''Literally, we have not even started thinking about the logistics of the wedding. It's so funny, even my friends are like, 'So, ballpark, just tell me what time of year, just in case I travel,' and I have no idea.  ''As of now, it just exists as this hypothetical thing that will happen eventually.–EX