I want my niece and nephew to be a part of my wedding date my only issue is that I'm worried if my niece is too old to be a flower girl. She will be 11 the day of our wedding and my nephew will be 9. My fiance has a niece and nephew too (ages 2 and 4). I don't know if I should have two pairs of flower girls and ring bearers or if I should just have my fiance's niece and nephew as the flower girl and ring bearer and have my niece and nephew as junior attendants?