The former child star/current style icon gave twin sister Ashley the slip for the fashion-forward shoot, which has her striking a pose in sequins, a military coat, and feathers in three dazzling cover images (click here to vote on your favorite).
The issue also sees Olsen channeling her inner gypsy woman in a sheer black Giambattista Valli dress paired with a Dolce & Gabbana jacket from which gold charms dangle.
On location at The Inn in Quogue, New York, photographer Tesh snapped The Row designer in a series of images that highlight Olsen's eccentric boho-chic style -- think fur, ankle-sweeping skirts, and effortlessly tousled blonde locks.
Speaking of fur, there's enough of it here to give PETA a heart attack. The 24-year-old starlet wears chunky furs from Marc Jacobs, Doo.ri, Cassin, and Alexander McQueen with everything from a sweet ballerina pink Dior dress and Topshop skirt to a sexy candy-apple red Givenchy dress with matching boots.
In between donning some seriously covetable clothing, Olsen opened up to writer Kimberly Cutter about her design career, saying, "It's kind of like a mask to hide behind."
"It took us a year-and-a-half to make the first T-shirt," she says of The Row.
"I still read scripts, and if something great comes along, that's great... but this is my day job.
"The Row is where I go every day."
Does that mean there won't be an "It Takes Two 2"? Say it ain't so!
For more of Olsen's interview, her photo shoot and shopping info, behind-the-scenes snaps, or a look at her red carpet style, visit Marie Claire's website and pick up the September issue, on sale now.
Meanwhile, check out Christina Hendricks on the cover of British GQ.