Father of the Bride - wedding attire

The coolest thing about having a casual wedding has been the unlimited response from guest stating they can't wait to experience a non traditional reception, where their attire can be casual and comfortable, boring traditional meaningless activities (like cutting the cake- sorry if you are a believer that people must spend hundreds of dollars on a cake that tastes digusting because the icing is chewy) are skipped and the main objective is for the guests to have fun.

Just last weekend my dad sent me an email with a picture of his inspiration for the father of the bride attire.  How cool is my dad?  Now, all he has to do is grow his hair long....