Some say the '90s are back; I say they never left. "There's nothing to make your maids look sleeker than a grouping of your closest girls in satin dresses," says Conley. "Think Posh

Plus, "satin charmeuse, especially when cut on the bias, is figure-flattering, especially when styled in clean, modern silhouettes like the iconic '90s slip dress," she adds. Make your bridesmaids feel comfortable by letting them customize their look with minimalist details like "square necklines, spaghetti straps, and lace-up backs."