A Lesson In Fancy Jumpsuits, Courtesy Of Sienna Miller

Jumpsuits are arguably the best part of springtime dressing: a single piece you can throw on and go, without having to worry about a Marilyn Monroe moment on your way to work. (Bathroom trips become a tad trickier, but we all love a good challenge.) The lazy-girl staple can sometimes feel too casual for dressier occasions, like cocktail hour or dinner out with the family. But, leave it to Sienna Miller to convince us otherwise: The actress slipped into a kick-ass one-piece earlier this week upon arriving in Cannes, looking like a million bucks.
When on the French Riviera, do as the French do. For Sienna, that involved a zip-front, sleeveless Céline jumpsuit that is, in layman's terms, très chic. Of course, the simple silhouette — a V-neck style with slim-fit trousers — is perfect for many more occasions aside from fancy-shmancy film festivals. We found 15 easy-but-elegant jumpsuits, inspired by Miller's navy number, for all those dressier events you've got lined up. Step into a one-piece wonder and never look back. 

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