My fiance's female friend is going to be on his side and my brother is going to be on mine. My fiance wants my brother to wear the same thing as the groomsmen and his female friend to wear the same thing as the bridesmaids. I thought she could wear the same style dress in black to match the tuxes the groomsmen and my brother would be wearing, but my fiance didn't like that idea. I am trying to figure out a way to differentiate my brother from the groomsmen and my fiance's female friend from the bridesmaids. If my fiance didn't hate bow ties I would have my brother wear a bow tie, but my fiance would definitely say no. Anybody have any suggestions?