When Rosie Huntington-Whiteley posted this snap from Coachella Weekend One we turned green with envy. Partly because this Chloe number is perfect, partly because we find it impossible to look this polished during a music festival, and mostly because a simple white dress when everyone else is bedecked in prints and layers of jewelry is part genius, part seriously brave (hello, dust storm). Here, 13 of the best uber-feminine white dresses on the market so you can channel a little of Rosie’s fresh style.