This might look like a casual outfit, but we guarantee it still costs a fortune!

Ashley Olsen dropped by a nail salon in Beverly Hills today to get her weekly manicure, and she opted to wear a sleeveless cream colored sweater and matching maxi skirt. On anyone else this ensemble wouldn't be flattering, but on the pint size fashionista it looks like perfection!

We're so curious about the Elizabeth & James designer's love life... we haven't seen her with a man in a while! Rumors swirled in March that the blonde beauty was enjoying secret hook-ups with Johnny Depp, but until we see photographic proof, we're not buying it!

Rather than getting up early to shop the Black Friday sales, Ashley Olsen was spotted arriving at the gym in Beverly Hills with several plastic bottles in her hands. Hey, a girl's gotta hydrate!

Mary-Kate's twin sister smiled as she dropped off her beautiful black Porsche, but let's be honest here -- with all the millions of dollars she's earned from movies, television and her fashion empire, does she really need to go hunting for bargains?

Craig McDean/Vogue

Mary-Kate and Ashley Olsen cover Vogue magazine's Best Dressed Special Edition, and the twins were voted the most stylish sisters of the year.

Vogue also included Kate and Pippa Middleton, Beyonce and Solange Knowles and the Fanning sisters in this issue, so not only is there plenty of couture to feast your eyes on, but there's also a splash of sibling rivalry!

Editor Mark Holgate told Reuters, “They get it right a lot of the time and then sometimes they don't get it right. That's actually great ... They don't have someone telling them, 'This is cool, this is hot, this is what you should be wearing.' It comes from within them. It's instinctual.” It certainly is!

WireImage, Jamie McCarthy

Mary-Kate and Ashley Olsen hung out with sister Lizzie to celebrate her Nylon Magazine cover at a private dinner at Sons of Essex hosted by A/X Armani Exchange.

Lizzie is featured on Nylon's October "It Girl" issue. As a gift, the eldest Olsen girl was given a A|XX 20th Anniversary Limited Edition Chrono Watch. Oh, the perks of being a cover girl!

Olsen tells the mag:

"I have to attribute the way I have always looked at [work] to my father, because he was a really good influence on us.  It was always very important to him that his daughters be financially independent.  He wanted us to know that we could take care of ourselves, because he never liked the idea of us needing a man."

She adds, "Witnessing how my sisters can take care of themselves financially was a great model to have.  I consider myself lucky to have such a normal family."

Well put, Lizzie!

It was practically impossible to tell Mary-Kate and Ashley Olsen apart in Paris on Saturday night!

The two looked more identical than ever now that both are back to blonde, and their long, black get-ups were super similar!

The sisters are in Paris for Fashion Week. We snapped them as they headed from their hotel to Kanye West's show.

But Mary-Kate and Ashley aren't just attending -- the successful young designers debuted the new handbag collection for their The Row label with a cocktail soiree at the Montaigne Market in Paris.

The collection has already sold out of its alligator backpack -- which retails at an eye-popping $39,000 (see the black bag in our picture above.)

Designer Christian Louboutin attended the party, where he told reporters he feels like a "godfather" to the twins.

Twins Mary-Kate and Ashley Olsen haven't been together on TV in years, but they're taking to YouTube in joint ads for their new website, StyleMint.

The 25-year-old sisters are running a competition to win T-shirts on the site, which advertises that customers can "get styled with exclusively designed T-shirts by Mary-Kate Olsen and Ashley Olsen."

Mary-Kate and Ash are taking this site seriously -- even if it is just T-shirts! "It took us a year-and-a-half to make the first T-shirt," Mary-Kate said.

Mary-Kate and Ashley Olsen stepped out in flats for a shopping spree in Paris over the holiday weekend.

Leaving the Hotel Costes, which, incidentally, is where Beyonce and Jay-Z are staying, the girls were dressed in typical boho Olsen twin fashion, wearing matching Celine jackets.

But while Ashley carried a nice, shiny and new Chanel bag, MK is still rocking her beat-up vintage Birkin.

The girls recently announced a couple of new ventures. They'll be designing a new line of prescription glasses under their Elizabeth and James label and they'll also be launching a new fashion website, StyleMint, which is like a "wine of the month" club, except with tees designed by Ashley and Mary-Kate!

Vogue/Bruce Weber

The Olsen twins are reaching for the stars on their stilts!

Mary-Kate and Ashley are featured in the April issue of Vogue and dish to the fashion mag about their clothing label The Row.

The 5'1" sisters name Lauren Hutton as an inspiration and describe the line as "classicist, no-bother stuff."

Ashley explains that "each of the looks we’ve shown for fall was designed top to toe," and Mary-Kate adds that they've had a collection with Walmart at 12-years-old "and we were really designing it. It was really fashion-forward."

The twins' company Dualstar has retail sales of $1 billion, and the girls' clothing lines consist of The Row, Elizabeth and James and Olsenboye.

And what about their future? "I want to run a studio," says Ash. And Mary-Kate declares, "The thing about us is we think big. Huge."

Find out what Oscar-nominated actress they helped get ready for an audition last-minute below the cut!