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

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KERI RUSSELL

You weren’t impressed by Olivia Palermo’s long-sleeved black leather dress, but perhaps you’ll change your mind after seeing Keri’s sexy, scoop-necked take on the look at the FX Upfront Bowling Event in N.Y.C.

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EVA MENDES

It’s tough to stand out when you’re walking the red carpet next to and , but holds her own in a flowy orange Prada dress with a butterfly at the waist and satin heels (also Prada) at the N.Y.C. premiere of The Place Beyond the Pines.

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KHLOé KARDASHIAN ODOM

gives us some much-needed in-between-seasons weekend outfit inspiration with her black blazer, blue leather pants and hot pink lips, worn to the Hollywood launch of McDonald’s Premium McWrap.

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RUMER WILLIS

Adding a subtle touch of sex appeal to her outfit, the wears a sheer white shirt over a black bra, pencil skirt and heels to the G.I. Joe: Retaliation premiere in Hollywood.

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MISCHA BARTON

The takes her abs out on the town in a shrunken sheer white lace top with a matching skirt (both by Katharine Kidd) and sparkling heels at the Fire & Ice Gala in Hollywood.

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AUDRINA PATRIDGE

Uh, did the Fire & Ice Gala have a uniform? The (who’s clearly eager for bikini season to arrive) joins Mischa in a nearly identical outfit, but she shows off slightly more skin thanks to her spaghetti strap top and green sandals.

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JAMIE CHUNG

Jamie steps out in a strapless teal Notte by Marchesa dress with beaded details, black peep-toe heels and simple clutch (both Jimmy Choo), plus IritDesign earrings and Sethi Couture rings, for the Beverly Hills premiere of Eden.

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ADRIANNE PALICKI

The G.I. Joe: Retaliation actress attends her film’s Hollywood premiere in a dazzling nude-and-gold Reem Acra gown with a jaw-dropping neckline and a Daniel Swarovski box clutch.

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SARAH JESSICA PARKER

Are these flowers giving anyone else flashbacks to this scene in the Sex and the City movie? wears the eye-catching, spring-ready ensemble with her favorite Jean-Michel Cazabat pumps to a Target store launch in Toronto.

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BLAKE LIVELY

We’re assuming the guest list for the Toronto Target opening called for TV fashion icons with envelope-pushing style, because is also in attendance, joining Sarah Jessica in a printed Roland Mouret dress with sheer sleeves, Jennifer Meyer jewelry and colorful Christian Louboutin heels.

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DIANE KRUGER

Upon first glance, you might think Diane is sporting black tights with her dotted Chanel mini, but those are actually some major thigh-high boots, which she wears with Stephen Webster jewels to an N.Y.C. screening of The Host.

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SHAKIRA

She’s a new mom and a judge on The Voice, but evidently still not busy enough. The singer puts more on her plate, making an appearance at her “S by Shakira” perfume launch in Paris wearing an all-black ensemble made up of a top with lace sleeves and J Brand leather pants.

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OLIVIA PALERMO

Can black leather dresses be conservative? The fashionista proves it’s possible by choosing one with long sleeves and a boxy shape, then adding dazzling accessories and feather-adorned ankle-strap heels, for the N.Y.C. screening of The Host.

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SAOIRSE RONAN

The Host star attends her film’s N.Y.C. screening in a printed Proenza Schouler tweed jacquard dress, plus a leather belt, a Dana Rebecca Designs ring and black heels.

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ADRIANA LIMA

There’s subtle sexiness and then there’s the in-your-face, can’t-stop-staring, jaws-on-the-floor sexiness, like the kind the model’s white Alberta Ferretti gown oozes at the Brazil Foundation Gala in Miami.

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ELISHA CUTHBERT

No, she’s not wearing two dresses. The actress, also at the Toronto Target opening, wears one design consisting of a sleeveless blue creation with a long-sleeve black lace overlay, accessorized with nothing but black pumps and red lips.

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LEONA LEWIS

The singer keeps the black-and-white trend alive in a two-tone dress with black tights and matching booties at the London launch of her new beauty collection for The Body Shop.

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JAMIE CHUNG

Jamie makes a good case for broad horizontal stripes with her black-and-white Alice + Olivia mini, paired with bright blue Monika Chiang ankle-strap pumps, Stella & Dot jewelry and on-trend center-parted hair at a Range Rover launch in N.Y.C.

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BELLA THORNE

Let your trainer know that this cutout (seen on Bella’s blue Boohoo cap-sleeve mini at the line’s summer press day in L.A., as well as a number of other stars’ dresses) might very well be the cutout of the season. Sigh.

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FREIDA PINTO

At a London dinner celebrating design team Proenza Schouler, the actress stuns in of of their creations, a printed burnt-orange dress with a square neckline, plus Rupert Sanderson sandals.

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HELEN MIRREN

Wearing a floral Dolce & Gabanna she’s sported not once, but twice before, the Dame changes things up by adding pearls, a nude clutch and coordinating patent pumps for the Prince’s Trust Celebrate Success Awards in London.

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ROSARIO DAWSON

Rosario must be reading PeopleStyleWatch.com because she follows our advice and carries a Lucite clutch, which coordinates with her pumps and contrasts the printed navy-and-white dress she wears with a Cuyana ring for a Tanqueray event in London.

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ELLEN DEGENERES & PORTIA DE ROSSI

It’s not just their personalities that are compatible; at a celebration for the TV star in Melbourne, Australia, the couple’s outfits complement each other perfectly too. opts for a spring-y gray suit over cool white bucks, while her wife is also duo-chromatic in a white tank and blue pencil skirt.

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ELLE MACPHERSON

It hardly matters that the model is wearing rhinestone-studded leather pants and a chic tuxedo blazer to a fundraiser in London since few people will notice anything besides her amazing flowing hair and incredibly youthful skin.

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BRANDY

It’s tough to compete with the fashion choices of her Temptation costar, but Brandy gives it her best shot in a flouncy mini, textured sheer top, beaded-sleeve leather jacket, blingtastic chain necklace and metallic heels, worn for a visit to the BET studios in N.Y.C.

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THANDIE NEWTON

At the other end of the style spectrum, the actress walks the carpet for the Rogue premiere in Hollywood wearing a vintage LBD by Gathering Goddess, donned with two eye-catching add-ons: bright-pink lips and sparkly metallic Jimmy Choos.

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JENNIFER HUDSON

What better way to celebrate Weight Watchers’ 50th Anniversary in N.Y.C. than by showing off your trim body? The does just that in a fitted black tee, gold Donna Karan skirt and black open-toe Christian Louboutins.

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MARION COTILLARD

We’re assuming the actress opted for an understated hairstyle and minimal accessories at the Tokyo Rust and Bone premiere in order to keep the spotlight on her Christian Dior dress, which features an intricate floral pattern, a dramatic high-low hemline and contrasting lining.

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SALMA HAYEK

The stays warm in a chic double-breasted jacket, worn over a red dress, black tights and pumps to the London photocall for the Sound of Change Live concert.

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KELLY OSBOURNE

The Fashion Police star continues her recovery tour in Warsaw, Poland, where she shows off long lavender locks in a black Camilla and Marc jumpsuit with a matching Smythe blazer.

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JENNIFER LOPEZ

The may be attending Muhammad Ali’s Celebrity Fight Night in Phoenix, Ariz., but that doesn’t stop her from going girlie in a nude-and-black tulle Maria Lucia Hohan creation, which she pairs with a Jennifer Fisher Jewelry necklace, as well as black striped pumps and a python clutch, both by Christian Louboutin.

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MILEY CYRUS

The is all smiles (could it be because her back in town?) in a black-and-white striped strapless jumpsuit, accessorized with a gold necklace and bright red lips for the grand opening of Seacrest Studios at CHOC Children’s Hospital in Orange, Calif.

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KERRY WASHINGTON

One of our favorite red carpet stars wears one of our favorite designers, Jason Wu. She sports the dress (featuring a fitted bodice and tulle skirt) along with silver Christian Louboutin heels and a studded headband to the Human Rights Campaign gala in L.A.

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JESSICA SIMPSON

The opts for a fitted maroon maxi with a black blazer (both by Jessica Simpson Maternity) and statement earrings at a Jessica Simpson Girl’s Collection event in Charlotte, N.C.

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KALEY CUOCO

The Big Bang Theory actress looks to be as ready for summer as we are, stepping out in a patchwork Hervé Léger by Max Azria dress, Isharya bangle and Michael M. ring, plus Monique Lhuillier heels, at the Genesis Awards Benefit Gala in Beverly Hills.

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NICOLE KIDMAN

At a 2013 Omega event in Vienna

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KELLY OSBOURNE

The on-the-mend star is back to her envelope-pushing style ways, attending a Fashion Police event in Amsterdam in a white blouse with a black tie, polka dot pants and a polished updo.

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ASHLEE SIMPSON

Joining her at the Jessica Simpson Girl’s Collection event in Charlotte, selects a white graphic-print dress by Jessica Simpson Collection with black buckle booties, statement earrings and a sleek topknot.