Lately there have been some mighty cute vintage inspired bridesmaids dresses popping up on different blogs. Like these:
Photos from Amorology
I did some internet digging and found some amazing vintage style bridesmaids dresses, many featuring sleeves - trust me your bridesmaids will thank you!
The "Lauren" dress by Bettie Page Clothing
The "Rosalyn" dress by Stop Staring!
The "Dexter" dress by Bettie Page Clothing
The "Paris" dress by Stop Staring!
The "Ella" dress by Pin Up Girl Clothing
The "Sara" dress from Daddy O's