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Style & Beauty

Lily Collins Nails It In Stella McCartney On Our Best-Dressed List This Week (PHOTOS)

This week's best-dressed stars got it right in all black. (We guess there really is something to the classic color). Jennifer Aniston returned to her signature hue and wowed in a figure-flattering, yet fashion-forward frock, while Lily Collins donned a gorgeous Stella McCartney dress with an interesting silhouette.

Other A-listers like Christina Hendricks and Katie Aselton shone in LBDs, but the best-dressed award goes to Olivia Wilde who looked angelic in white. Not only was her dress stunning, but it was accessorized perfectly (it's all in the details).

Check out our picks, and let us know if you agree!

Jennifer Aniston in Alexander McQueen

jennifer aniston

It looks like Ms. Aniston is back in our good graces this week in her favorite color. This peplum dress not only flatters her figure, but the leather detail helps to define her waist and brings a little edge to an otherwise safe ensemble.

Christina Hendricks in Badgley Mischka

christina hendricks

There is a reason that LBDs are so popular and Hendricks shows us why. Not only is this dress slimming, but it also showcases the actress' curves in all their glory. We also love the lace cap sleeves which add a vintage touch.

Erin Heatherton in Toni Maticevski

erin heatherton

The Victoria's Secret model is certainly putting the chic in geek. Though her white lace, high neck dress is beautiful, it's her sexy glasses that steal the show. We love how unexpected they are on the red carpet, especially when paired with a red lip.

Emma Willis in & Other Stories

emma willis

This is a great graphic print dress. The pattern is interesting and the colors are amazing against her light eyes and dark hair.

Lily Collins in Stella McCartney

lily collins

Outfits like this are why Collins' has become known as a discerning fashionista. Her black dress may seem simple at first, but it's the unconventional cut and leopard print heels that make it stand out. We are also obsessed with her retro-inspired hair.

Mayim Bialik in Karen Millen

mayim bialik

Getting dressed as an observant Jew in Hollywood can be tricky -- so many garments are short, tight and revealing. But here, Bialik manages to look stylish and sophisticated. The geometric print on her dress provides some visual interest, while her strappy shoes give her look a little bit of sass.

Olivia Wilde in Theyskens Theory

olivia wilde

Okay, Olivia Wilde may have found the perfect dress. The proportions are amazing (fitted up top, voluminous down below), the color is great against her tanned complexion and it looks like the dress has been fitted to her body perfectly. Not to mention her delicate strappy heels and tousled waves complete the look.

Anna Wintour in Lanvin

anna wintour

It's nice to see the Vogue EIC out of a skirt suit and donning a bright color. Her modest dress highlights her toned arms, while her statement necklace is the perfect way to draw attention towards her face and that signature bob.

Katie Aselton in Zara and Balenciaga

katie aselton

This is how you mix high and low. Not only do the two pieces in completely different price ranges look like one ensemble, but the interesting lines on the crop top help to amp up Aselton's plain skirt.

Tina Fey in Reed Krakoff

tina fey

We've become so used to seeing Tina Fey in weird costumes and casual duds that seeing her in a dress is a little jarring (in the best way). The color blocking on this frock is both flattering and fashion-forward. A+, Fey.

Taryn Manning

taryn manning

Well this is a 180 from Manning's character Pennsatucky on "Orange Is the New Black." The actress looks quite polished in a coral dress, yet impossibly cool in her metallic pumps.

More celebs who made the best-dressed list: