Last Night's Look: Love It or Leave It?

01 of 26

NINA DOBREV

The actress steps out in a dazzling pale-peach Tadashi Shoji gown with a gauzy sheer skirt and neckline for a LUX promo event in Beijing.

02 of 26

KEIRA KNIGHTLEY

When this Simone Rocha midi was shown on the runway, it had a totally sheer skirt, but plays it safer by adding a lining on the ladylike floral-embroidered design, accessorized with gold Prada Mary-Janes at the Begin Again photo call in London.

03 of 26

MELISSA MCCARTHY

For her hand and footprint ceremony in Hollywood, the actress contrasts the red carpet with a vibrant blue pleated design featuring a (filled-in) keyhole cutout and hot-pink peep-toes.

04 of 26

RITA ORA

Are we supposed to be looking at the car? Because at the Toyota Aygo event in Berlin, we can’t stop staring at the singer’s long-sleeve crystal-embellished Emilio Pucci mini that features a very exposed neckline (just one chain away from being a wardrobe malfunction).

05 of 26

SUKI WATERHOUSE

Who knows if she’s ready to take the plunge with boyfriend , but the model is clearly up for another kind of plunge. She picks a deep-V dusty-lavender Burberry Prorsum gown with a flared skirt and chunky Topshop platforms for the Serpentine Gala in London.

06 of 26

KEIRA KNIGHTLEY

What appears to be two pieces in one (a colorful floral-adorned one-shoulder mini and a flowy white maxi) is actually just one dress, a Chanel creation the wears to the Serpentine Gala in London.

07 of 26

KELLY OSBOURNE

Purple on top, purple on bottom and a lot of color in between. Kelly wears a busy face-printed Alice + Olivia midi with a black top and strappy sandals for a visit to SiriusXM in N.Y.C.

08 of 26

NAOMI CAMPBELL

Is there such a thing as too many sequins? Not for the supermodel who selects a red one-sleeve Givenchy dress covered in the embellishment for the Serpentine Gala in London.

09 of 26

LILY ALLEN

There are minis and then there’s what Lily is wearing: a very, very leg-baring LBD with an equally revealing neckline, seen at the Serpentine Gala in London.

10 of 26

CARA DELEVINGNE

Cara carries the Cara. Say that three times fast then we’ll explain: She designed the bag (called the “Cara Delevingne”) for Mulberry, and she pairs it with a keyhole-cutout gown from the brand for the Serpentine Gala in London.

11 of 26

ALEXA CHUNG

It may be the middle of summer, but don’t tell that to Alexa’s dress, a cold-weather black velvet Erdem design with a perforated hemline, chosen for the Serpentine Gala in London.

12 of 26

NICOLA PELTZ

The new-to-the-scene actress gives us another reason to talk about her style, wearing a Stella McCartney bodysuit with a Dolce & Gabbana sheer lace skirt to the Berlin press conference of Transformers: Age of Extinction.

13 of 26

SUSAN SARANDON

Proving that there’s no age cutoff for cutouts, the actress selects a deep-red gown complete with a slash at the shoulder and a high slit for the premiere of Tammy in Hollywood.

14 of 26

TONI COLLETTE

No, she’s not in the Italian countryside; Toni’s at the premiere of A Long Way Down in N.Y.C., but she’s wearing on off-the-shoulder Naeem Khan floral dress with a full skirt so you’d be forgiven your confusion.

15 of 26

DUCHESS CATHERINE

The keeps things classic in a pleated Goat dress, cinched at the waist with a silver-ring belt and accessorized with nude add-ons for an official visit to the M-PACT Plus Counseling program in London.

16 of 26

LUCY LIU

Who says gray has to be boring? The makes the shade pop via an Andrew Gn cap-sleeve dress with contrasting black piping and bejeweling paisley-shape pockets at the Ignite Gala in N.Y.C.

17 of 26

ZENDAYA

Doing quite the 180º from the look she wore to the BET Awards, Zendaya breaks out an interesting pink Emanuel Ungaro top and skirt featuring a sporty collar, button-adorned pockets and loose-fitting short sleeves, plus striped ankle-strap sandals, for the book launch of Letters to the Men I Have Loved in L.A.

18 of 26

JANUARY JONES

No, that’s not a floral baby bib the actress is wearing, it’s just part of the black-and-white Honor dress she sports with strappy white Sigerson Morrison sandals to the Mad Men wrap party in L.A.

19 of 26

KERRY WASHINGTON

, Kerry, quite contrary, how does your garden grow. On her bold floral strapless Dolce & Gabbana dress, accessorized with white Casadei heels at the BET Awards in L.A.

20 of 26

JENNIFER LOPEZ

A black-and-gray checked pattern sounds a little understated for taste, but not when it’s in itty-bitty mini form. She wears the design to the iHeartRadio Ultimate Pool Party in Miami Beach.

21 of 26

KEIRA KNIGHTLEY

The offers up a fresh take on the lace trend, going not for sheer, but rather wearing the material on a nude Huishan Zhang dress and gold Prada heels for a visit to the SiriusXM studios in N.Y.C.

22 of 26

GABRIELLE UNION

We’re guessing that when you vote, you’ll be weighing in mostly on those skintight thigh-high black boots and less so on the Maria Lucia Hohan white gown (with a sheer black panel) the actress wears to the BET Awards in L.A.

23 of 26

CANDICE SWANEPOEL

All laced up in a black mini with a very asymmetrical hemline and contrast ties at the side, the supermodel takes in a menswear show at Paris Fashion Week.

24 of 26

NICOLA PELTZ

The leading lady in Transformers keeps the spotlight on her style, opting for a body-hugging long-sleeve white gown at the Berlin premiere of her movie.

25 of 26

MICHELLE WILLIAMS

It’s quite the neckline (and quite the high slit) on the singer’s teal Olcay Gulsen gown, seen with gold Saint Laurent heels at the BET Awards in L.A.

26 of 26

PARIS HILTON

The socialite takes a fashion risk (and risks some seriously bad tan lines) with the intricately cutout sparkly white number that, despite being long-sleeve, high-neck and floor-length, manages to show off her cleavage, her legs and her abs at the BET Awards in L.A.