Last Night's Look: Hit or Miss?

The of Magnum Ice Cream’s Karl Lagerfeld-directed commerical looks simply decadent in a sparkle-frosted Chanel Haute Couture frock at the short’s Tribeca Film Festival screening in N.Y.C.

Hollywood’s shines in a lemon Rachel Roy dress, Giles & Brother necklace and gunmetal Camilla Skovgaard sandals while signing her new cookbook My Father’s Daughter in Beverly Hills.

The Black Eyed Peas’ is her own best model while promoting Fergie Footwear, at Macy’s in N.Y.C., rocking her LBD with strapped-up sandals.

In a pretty printed blouse and pleated skirt, the actress goes with the flow at the Tribeca Film Festival premiere of The Bang Bang Club in N.Y.C.

The Bang Bang Club’s star energizes the red carpet in an tangerine paneled J. Mendel frock, platform sandals and Cartier jewels at her film’s N.Y.C premiere.

The attends the debut of Jerusalem on Broadway in a sleek pantsuit and simple accessories.

The 90210 star balances her sweet spring frock with lace-up boots while at a Pixie Lott for Lipsy launch party in London.

She found her prints charming: The brightens up in a strapless frock for Greenzy’s Earth Day celebration in West Hollywood.

Gentlemen, start your engines: at the New York International Auto Show, the actress gets sexy in a fitted turtleneck, yellow pencil skirt and contrasting purple Coach clutch.

At the Body Shop’s Three Minute Shower Challenge event in N.Y.C., the newly-engaged star flaunts her gorgeous new ring – and her figure, in a belly-baring Alexx Jae & Milk dress and Jimmy Cho booties.

The Arthur looks super sleek in a navy sheath, Casadei pumps and on-trend Coach clutch at a Coach benefit for the Children’s Defense Fund in Santa Monica.

Putting those pregnancy rumors to rest, the steps out at the Coach event in a form-fitting Roland Mouret mini and pleated clutch by the brand.

Still in Coachella hippie-chic mode, the styles her basic black dress with bangles, chains and a glittering headband for a Baby2Baby event in West Hollywood.

The looks as sweet as “Candy” in a sheer printed blouse, high-waisted skirt and Kara Ackerman Designs earrings while supporting animals at an ASPCA event in N.Y.C.

Superman’s looks bright and cheerful in a sunny frock, peachy Coach clutch and metallic peep toes at the brand’s event benefitting the Children’s Defense Fund.

The shifts her spring style into high gear with a sexy halter dress, Neil Lane jewels and Brian Atwood heels to celebrate the 50th anniversary of Jaguar’s E-Type model in New York City.

is one sleek star in stripes, rocking her two-tone minidress with M.C.L. by Matthew Campbell Laurenza jewelry for the London launch party of her new album Remember Me.

The actress lets her printed dress takes center stage, balancing it with simple Ippolita and Kara Ackerman Designs earrings and ruby Coach clutch at a Coach event to Benefit the Children’s Defense Fund in Santa Monica.

She is hot! After receiving the compliment from costar Josh Hopkins, proves him right in her white-hot Marc Jacobs sheath at ATAS’s Evening with Cougar Town event in Los Angeles.

Bongo’s billboard slips into a Kenneth Cole New York leather dress at a party co-sponsored by Bongo in New York City.

The expectant embraces bold patterns, freshening up her LBD with a printed Diane von Furstenberg blazer for a Baby2Baby event in West Hollywood.

PEOPLE’s most beautiful flaunts her famous abs a flowered Christian Cota bandeau top, jacket and navel-baring Tibi trousers with Sutra Jewels cuff and Jimmy Choo platforms to launch her album Love? and BlackBerry’s PlayBook in L.A.

Taking a break from her elaborate music video wardrobe, the is relaxed and casual in a floral minidress and Jimmy Choo satchel while out to dinner with husband Jay-Z (not pictured) in Paris.

The sparkles under the spotlight in an embellished tank dress, pendant necklace and sandals while out in London.

Russell Brand’s turns out to support her husband at the London premiere of Arthur in a glittering nude dress and Brian Atwood pumps.

The of Sharpay’s Fabulous Adventure is sheer cuteness in a plunging For Love & Lemons mini, metallic heels and side-pony to sign copies of the DVD in L.A.

The 90210 star highlights her petite frame in a ruched aqua Robert Rodriguez frock with Miriam Salat ring, nude Brian Atwood shoes and Lauren Merkin clutch at the London premiere of Arthur.

The tennis champ opts for a jewel-toned dress and gilded waist-cincher at the Range Rover Evoque celebration in N.Y.C.

The Arthur star stands tall at the film’s London screening in a graphic-print keyhole gown by Yigal Azrouël, which she pairs with a python Cecelia barrel clutch.

The model complements her jaw-skimming bob with an on-trend color blocked Jay Godfrey kimono at the launch of SKYY Infusions Dragon Fruit Vodka in Las Vegas.

The Arthur star flaunts her famed “female energy” in a floor-length leopard-print gown by Dolce&Gabbana and rock ‘n roll motorcycle jacket at the flick’s London premiere.

The is a work of art in her painterly print Christoforos Kotentos dress and blazer with strappy heels for the Volkswagen concert for the 21st Century Beetle at MTV World Stages in N.Y.C.

She must be a morning person: The looks perky and polished on her way into Good Morning America in N.Y.C., topping her snug navy dress with a chic black coat.

The slender lives it up in London, wearing a curve-hugging indigo dress, sky-high booties and face-framing fringe.

channels her inner cowgirl with a fringed skirt, big-buckled belt and full-sleeved white top while strolling around Beverly Hills.

Rocking her trusty denim jacket, the pairs the piece with a feminine A-line dress and two-tone flats in London.

The ‘tween star goes fun and flirty in a BCBG Max Azria mini and bandage sandals to host a prom contest at the label’s Century City, Calif. boutique.

To grab lunch in Beverly Hills, the flashes back to the ’70s in wide leg J Brand jeans and a furry jacket with knit sleeves.

A happier is all smiles at LAX, wearing an oversized sweater over skinny jeans and boots.

The Harry Potter star attends a Live Below the Line charity benefit in London in slim-fitting leather pants, a red blazer and a contrasting teal satchel.

The opts for wedding-worthy white in a beaded Jason Wu frock, strappy sandals and glittering jewels at the Water for Elephants premiere in N.Y.C.

thinks pink in a plunging Roberto Cavalli dress styled with silver sandals, Adeler earrings and Stephen Webster cuffs at the Silver Rose Gala and Auction in Beverly Hills.

From carpool to Coachella! The looks cool and casual in a printed top, trendy crossbody bag, both by Mulberry, and cutoffs at the brand’s barbecue celebrating the music festival, in Palm Springs, Calif.

Another hot mama: the is California chic in a teal zigzag Tibi top, distressed cropped Paige jeans and polka-dotted sandals at the Hoodwinked Too! premiere in L.A.

The Dancing With the Stars shows she still knows how to dazzle, stepping out to the Taste for a Cure fundraiser in Beverly Hills draped in a sequined dress with scalloped hem and Jimmy Choo shoes.

There’s no place like Vegas! adds a dash of red to her patterned Mara Hoffman frock and Belle Noel bracelets with ruby espadrilles for the opening of Wet Republic at the MGM Grand.

Wearing what could be a new favorite look, the Scream 4 rocks a fringed Jenny Packham mini at the Kurier Romy Gala in Vienna, Austria.

The actress gets into the swing of things in a maxi skirt, tank, Joie sandals and summery accessories at the Lacoste L!ve/HTC Coachella 2011 Pool Party in Thermal, Calif.

The Manhattanite springs into action, pairing her fresh floral button-down with skinny jeans and a cargo jacket for a New York City screening of African Cats.

The actress steps up her breezy mirco-print dress with pink-striped platform wedges and Lia Sophia earrings at Malaria No More’s Hollywood Bites Back! event in Los Angeles, Calif.
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