I'm going to have 2 bridesmaids my sister and my fiance's sister. I didn't really want his sister to be a bridesmaid because I feel that she is to young, but I gave in because she was so excited to be part of the wedding. My problem is that his sister is 13 and mine is 21. Because of this I wanted to do a different style of dress for both of them to make sure they are age appropriate. My fiance's sister has taken offense to this. In my opinion she is a 'junior bridesmaid' and I feel that her taste will probably be different than my sister's. How do I make the different dress thing sound good to her without offending or making my contempt about her being a bridesmaid come out?