High School Graduation Dress

First, I must admit that I did not know there was such thing as a "graduation dress..." I had already spent $200 on the graduation packet from Jostens which had you cap and gown and invitations, and I thought the graduation gown would be covering enough for the ceremony so it did not matter what you wore underneath...but I had counted on a graduation dress, but you did and $100 later you had a graduation dress and that was it...