There are moments when a celebrity's celebrity friends can compromise privacy.Think Kelly Rowland letting slip that Beyonce and Jay-Z were expecting a baby girl, or Lance Bass confirming Justin Timberlake and Jessica Biel's engagement by gabbing about wedding gifts.
But in the case of Amber Tamblyn and David Cross, the relatively low-flying actress and comedian, a famous friend underscored how awesome their recent wedding was and how many other bold names enjoyed celebrating the day.
