Naomi & Victoria Were Totally Twinning

What do you wear as a lady who lunches? A sophisticated sheath dress, no doubt. Well, two fashionable women agree. Victoria Beckham and Naomi Campbell wore matching sheath dresses at Fashion 4 Development's annual luncheon.

With Campbell in white and Beckham in black, their subdued tones and minimalist designs made sense for the occasion — spotlighting the work and goals of the organization and not flashy outfits. That didn't stop them from looking good while they did it, though.

F4D's website explains that the organization "utilizes fashion as a platform" to gain attention and bolster star power and media power to create sustainable change and development. When fashion and social good team up everyone wins, right? F4D supports the United Nations Millennium Development Goals, which hopes to halve poverty rates and stop the spread of HIV/AIDS, and “Every Woman Every Child," which encourages policy and financial action to protect vulnerable women and children.

If you're looking to keep things professional and do a little power-dressing of your own to help make the world a better place or just be the best #girlboss you can be, a sheath dress like Campbell and Beckham's is just the ticket.

Here are seven sheath dresses to get their lunching ladies power look.

1. Printed Perfection

The neutral tones of this dress keep it in the "everyday sophisticated" category, while the gorgeous print makes it stand out. This dress is available in plus and petite sizes, too.

Nic And Zoe Lush Lapis Dress, $174, nicandzoe.com

2. Ain't It Grand?

This isn't your standard sheath. Cutouts add visual interest to a basic black column silhouette, while still being work-appropriate. Plus, it's available all the way up to 3X!

Mod Cloth Grand Gallery Dress, $59.99, modcloth.com

3. Simply Scalloped

Plum is an unexpected near-neutral that works on just about every skin tone. The scalloped neckline adds a hint of delicate femininity.

Single Scalloped Dress, $99.99, heygorgeous.com

4. Blue Beauty

This dress is made from stretch wool — which means it's as comfy as it is beautiful and polished.

Keyhole Italian Wool Sheath Dress, $99.99, jcrew.com

5. Metallic Maven

This metallic-tinged dress is subtly glam.

Metallic-Print Foil Sheath Dress, $16.99, forever21.com

6. Piped And Pretty

The faux leather piping keeps this from being just another sensible charcoal dress.

The Bowery Dress, $175, ofmercer.com

7. Sleek And Simple

Hey — sometimes you can't beat a classic.

Side-Slit Sheath Dress, $27.90, forever21.com

With any one of these chic sheaths, you're bound to impress at work or whatever it is you're totally killing it at currently.

Images: Courtesy Brands