1 of 50
To celebrate Marie Claire’s Women on Top awards in N.Y.C., the brings her A-game in a fitted navy Carven dress, tights and Mary Janes.
2 of 50
Wearing a watercolor-patterned Elie Tahari sheath and black patent peep-toes, the strikes a pose at a Saks Key to the Cure event in N.Y.C.
3 of 50
The actress mixes sexy and sweet in a flirty, full-skirted black-and-white frock with a plunging neckline, which she pairs with simple pointy-toe pumps and a tousled bob at the CFDA Vogue Fashion Fund finalist luncheon in L.A.
4 of 50
Also at the CFDA luncheon in L.A., the walks on the wild side in a zebra-printed button-up top and chocolate skirt – both by Proenza Schouler – worn with matte black accessories.
5 of 50
Looking très chic for the Paris premiere of her film Special Forces, the star stays cozy in a bouclé jacket and matching skirt, worn with sexy leather boots.
6 of 50
Also at the CFDA luncheon in L.A., the actress makes her flirty pink paisley dress more autumn-appropriate with a lightweight raspberry Schumacher coat, adding contrast with her azure clutch and heels, and finishing the look with an Irene Neuwirth cuff.
7 of 50
Olivia’s In Time co-star attends the film’s L.A. premiere in a Prabal Gurung dress (which she plucked from the runway!), plus a belt by Zana Bayne for Prabal Gurung, Jimmy Choo heels and glittering gunmetal cuffs.
8 of 50
Displaying her fashion fearlessness, the star pairs her printed Tibi top with a floaty feather-print skirt, furry vest and lace-up heels at the Talent Store opening in Fidenza, Italy.
9 of 50
The star attends the Global Fashion Awards in N.Y.C. wearing a vibrant electric blue column gown with sparkling accents and a cutout back, plus Erickson Beamon “Bette Davis Eyes” earrings.
10 of 50
Showing off armfuls of bangles and a just a hint of skin in her leather pants and cropped jacket, the model presents the Especially Escada fragrance at an N.Y.C. Sephora.
11 of 50
Managing to draw attention away from that $2.5 million bra, the model strikes a pose in a sexy raspberry Michael Kors gown, strappy gold sandals and glittery cuff at the N.Y.C. Victoria’s Secret flagship.
12 of 50
Taking her wardrobe from uptown chic to downtown cool, the tucks a sheer printed blouse into a flowing skirt and adds strappy sandals for a dinner in N.Y.C.
13 of 50
The makeup mogul puts on her best face for the San Francisco premiere of Puss in Boots, wearing a navy-and-black cap-sleeve dress and golden peep-toes.
14 of 50
Looking ready to pick some pumpkins, the hits the hay in a tribal-patterned coat, burgundy halter, [BLANKNYC] denim, Z Spoke by Zac Posen satchel and suede booties in Beverly Hills.
15 of 50
Red, white and chic all over, the actress attends the 2011 Golden Heart Awards in N.Y.C. wearing a bubble-printed, gracefully ruffled gown and pearly drop earrings.
16 of 50
Mixing prints never looked so easy as on the young style star’s striking cocktail dress, worn to a British Fashion Council event in West Hollywood; she keeps the rest of the outfit simple, adding only black pumps.
17 of 50
EVAN RACHEL WOOD
For the London premiere of The Ides of March, the actress sandwiches her ladylike Emilio Pucci outfit between matching crimson lips and heels.
18 of 50
The supermodel is spotted at the Avon Step into Sexy fragrance launch in N.Y.C. wearing a sheer polka-dot top, pencil skirt and satin sandals, all by Stella McCartney.
19 of 50
Wearing House of Lavande jewels to complement her Beckley by Melissa lace dress, the actress attends the Beckley by Melissa launch party in West Hollywood.
20 of 50
Also at the Beckley by Melissa bash, the Hart of Dixie star tops her tomato-red Alice + Olivia trousers with a pretty floral button-up and finishes the look with a long pendant.
21 of 50
The shows off her shape in an elegant red Roland Mouret gown with origami-detail neckline and intricate earrings at the AOL/Huffington Post Game Changers awards in N.Y.C.
22 of 50
Sticking to her favorite sparkle, the glows in a silver metallic Contrarian New York frock worn with Neil Lane jewels, glittery peep-toes and rosy lips.
23 of 50
The Victoria’s Secret stunner steps out at the Vertu launch of “The Constellation” in Milan in a bustier dress and patterned pencil skirt, deep indigo Salvatore Ferragamo pumps and a simple, sweet pendant.
24 of 50
PEOPLE StyleWatch’s November cover girl opts for casual chic in her backless halter and slim trousers – both by Barbara Bui – with Hardy peep toes at the Motorola Mobility launch in N.Y.C.
25 of 50
Days after her “magical” wedding, the actress is back in black at the West Hollywood premiere of Aim High, donning a tough leather jacket and boots with her ebony ensemble.
26 of 50
main squeeze flaunts her figure in a red-hot ruched Gomez-Gracia sheath and glittering peep-toes at the Swarovski Crystallized Store event in N.Y.C.
27 of 50
The yoga devotee looks vinyawesome in belted, disco-ready hot pants and a billowy blouse at SiriusXM’s One Night Only event at New York’s iconic Studio 54.
28 of 50
Making a play on traditional suiting, Uma tucks a one-shoulder blouse into a tuxedo-style skirt and adds pointy-toe heels – all by Ralph Lauren – at the Vertu soiree in Milan.
29 of 50
The star pairs a copper and collared Miu Miu frock with ribbed tights and strappy sandals for the Swarovski bash in N.Y.C.
30 of 50
stylish little sis throws caution to the wind in a patterned turtleneck, asymmetrical pencil skirt and gilded wedges for the C.Wonder flagship store opening in N.Y.C.
31 of 50
All that glitters is gold for , who pairs a plunge-neck KaufmanFranco mini with bronzed skin, Balenciaga shoes, a Ferragamo clutch and Fred Leighton jewels for Elle magazine’s 18th annual Women in Hollywood event in L.A.
32 of 50
Also at the Women in Hollywood event, the usually demure takes a page out Jennifer Aniston’s book in a tailored Bocanegra suit, and peekaboo underpinnings and Irene Neuwirth earrings.
33 of 50
goes retro in a draped, velvet-adorned gown, gathered topknot and serious gems at Gabrielle’s Angel Foundation for Cancer Research event in N.Y.C.
34 of 50
The actress accents her simple snow-white Calvin Klein sheath with a colorful necklace and eye-catching peep-toes at the Elle event in L.A.
35 of 50
Stepping out solo at the N.Y.C. premiere of her film Margin Call, the sports a printed Zac Posen sheath, Neil Lane jewels and Brian Atwood pumps – plus her wedding ring!
36 of 50
Also at Elle’s L.A. event, the updates a classic Douglas Hannant gown with an embossed velvet print, peep-toes and a retro-chic updo.
37 of 50
Chinese Laundry’s new brand ambassador fetes the label in Hollywood wearing a formfitting white mini, nude Chinese Laundry pumps and a beige clutch.
38 of 50
At the star-studded Elle bash in L.A., the actress wears a peachy Calvin Klein confection with similarly muted pumps and simple gold David Yurman jewelry.
39 of 50
After a red carpet hiatus, makes a statement at the L.A. Elle bash in an Amanda Wakeley embellished peplum shift plus Tacori earrings, David Yurman gems and Rene Caovilla heels.
40 of 50
Back in N.Y.C., pairs an embroidered kimono dress with ankle-tie Mary Janes for the 20th annual Take Home a Nude benefit at Sotheby’s.
41 of 50
goes futuristic in a cosmic-print George Chakra Couture dress, Hervé Léger by Max Azria clutch, silvery pumps and a slicked-back topknot at the Clinton Foundation’s Decade of Difference gala in L.A.
42 of 50
The goes from Desperate Housewife to golden girl in a sparkling Alice + Olivia sheath worn with simple pumps.
43 of 50
Hollywood royalty meets actual royalty: The spends time with Dubai’s royal family wearing a gilded-shoulder, plunging scarlet gown and nude platform pumps.
44 of 50
Also at the Clinton Foundation gala, the wears a Dior dress and flirty cropped jacket and Jimmy Choo pumps, finishing the look with a fun, feathery Roger Vivier “Pilgrim Follies” clutch and Kara Ackerman Designs earrings.
45 of 50
Wearing yellow to celebrate green , the attends the Environmental Media Awards in Burbank, Calif., in a flowing mustard minidress with platform pumps and Neil Lane bangles.
46 of 50
A chic, sleek black sheath is the centerpiece of the actress’s outfit, which she embellishes with chandeliers, Pomellato bangles and a metallic clutch at the Clinton Foundation event in L.A.
47 of 50
Bundling up for her visit to Edmonton, Canada, the sports a shearling moto Bebe jacket, legwarmers and boots.
48 of 50
The glitters at the Spike TV Scream 2011 awards in Universal City, Calif., wearing a flirty beaded Valentino frock, Hellmuth jewelry and silver Brian Atwood peep-toes.
49 of 50
Looking regal in lilac, the wears a glittering Elie Saab Haute Couture cap-sleeve gown with similarly sparkling Van Cleef & Arpels earrings and bracelets and Rene Caovilla heels to the Fine Romance benefit in Culver City, Calif.
50 of 50
Also at the Spike TV event in Universal City, Calif., the actress plays peekaboo in a sweet, lacy Dolce & Gabbana number worn with peep-toes and a side-swept wavy do.
Vote on Last Week’s Looks! >