06/14/2012 08:05 pm ET

How To Survive Being A Plus One At Someone Else's Wedding

Last year, we spoke to etiquette expert Peggy Post from the Emily Post Institute on how to graciously excuse yourself from a wedding. This time around, we asked Peggy how to handle that occasion when you often can't decline: Being invited as someone's plus one. While this is usually a pretty painless experience (for women), the whole thing can be a little daunting if you don't really know the bride or the groom. Read on for tips on what type of gift to give, how much you're expected to spend, and how to figure out what to wear if your boyfriend misplaced the invitation.