How to gracefully propose to your girlfriend's parents to marry her daughter?

Elegant to the girlfriend's parents proposed to marry her daughter, generally speaking this is the development of two people's feelings to a very warm degree, both parents for the two of you have been thoroughly recognized, and this time to the girlfriend's parents proposed to marry her daughter is just a form of, but the sense of ceremony is still to be had, the most elegant, romantic way to personally believe that still looking for a high grade, the environment of the good! The most elegant, romantic way I think is to find a high class, good environment, I personally think that their girlfriend and her parents dinner, and then take the opportunity to toast them a glass of wine, in their health, all the blessings after you want to marry their daughters, and then make a guarantee that will be a lifetime of love for his daughter can be dealt with.