Alberto E. Rodriguez/Getty Images; E! Networks
Sweater dresses can be worn in many ways, making them a must-have for the chilly fall weather. A roomy knit minidress doubles as a comfy boyfriend sweater over jeans or leggings and can easily be dressed up with a belt and some killer heels.
While someone petite like Nicole Richie can get away with chunky knits—they add volume—it's best to stick with a mid- to lightweight knit for the most flattering silhouette.