Ever since she announced her pregnancy, Sienna Miller has been showing off her stylish maternity style around town. From gowns to neutrals with a pop of neon, the actress proves that just because you're pregnant, it doesn't mean you have to dress like a dud. While strolling London, the mom-to-be wore a classic black-and-white striped tee with light-wash jeans and taupe ankle booties. But what made Sienna's outfit super cool is her shaggy black cardigan and circle shades. Whether or not you have a bun in the oven, re-create Sienna's look for your next shopping run in the city.