Update: We chose...

This is what we ended up with. We are having this particular dress shortened for my sister Ashley (pictured) because she is only 5 feet, and my other sister is about 5'8" and the dress goes above her knees.

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Bridesmaids

My two sisters are my bridesmaids. I am aiming to accomplish something similar to the images below, but am waiting to see what the local stores are offering for their spring/summer dresses before going the traditional "bridesmaid dress" route. Ideally their dresses will be a shade of pink in the raspberry family.