1 of 47
The hits L.A.’s Beauty Culture exhibit in an artfully styled white suit, major gold hoops and a Kelly Locke clutch.
2 of 47
Following her own style advice, the accessorizes a demure olive Madewell dress with a white blazer, Anita Ko earrings and suede booties for the Beauty Culture exhibit at L.A.’s Annenberg Space for Photography.
3 of 47
Modern Family’s bombshell walks the pink carpet at PEOPLE en Espanol’s 50 Most Beautiful event in N.Y.C. wearing a form-fitting bustier top, pencil skirt and Stuart Weitzman platforms.
4 of 47
Sporting new chocolate locks, the Hunger Games actress embraces her curves in a belted navy dress and killer black sandals to visit the Late Show With David Letterman.
5 of 47
Kristen continues to get miles out of her beloved Brian Atwood sandals, wearing them to the Hangover 2 premiere in L.A. with a girly, draped J. Mendel dress.
6 of 47
looks ready for business in a sleek black-and-white ensemble, chain-strap purse and ankle-wrap pumps at the Beauty Culture opening night.
7 of 47
Another hot seems to have scored a sitter for the night and hits the Beauty Culture event in a Carolina Herrera dress and royal purple pumps.
8 of 47
The stylish CW star stops by the Beauty Culture bash in a plaid-bodiced Z Spoke by Zac Posen dress, ankle-strap pumps and an armful of bracelets.
9 of 47
SARAH MICHELLE PRINZE
Buffy’s back! The steps out at the CW upfront in N.Y.C. in a sparkling Rebecca Taylor dress and black blazer to fête her return to TV next season.
10 of 47
Also at the N.Y.C. CW upfront, the is all smiles in a futuristic white frock and champagne pumps.
11 of 47
Hilary thinks spring in her yellow-and-cream ’50s-inspired dress, nude satin heels and Vram for Gray Gallery hoops at the American Cancer Society’s Choose You preview in N.Y.C.
12 of 47
Showing off her summer glow, the model rocks a neon yellow minidress with bold black accessories to the launch of myhabit.com in N.Y.C.
13 of 47
hops the pond to fête her flick Sharpay’s Fabulous Adventure, wearing a nautical-inspired Alice + Olivia minidress, nude pumps and a Melinda Maria necklace at a party in Munich.
14 of 47
The single gal sports a strapless draped maxi and oodles of jewels, including a Herndon Heald ring, at the N.Y.C. launch of myhabit.com.
15 of 47
Flaunting her post-baby body, styles her lace-adorned gown with sparkling earrings and a Swarovski clutch at the Madrid premiere of Pirates of the Caribbean: On Stranger Tides.
16 of 47
Washington plays peekaboo in a sheer Valentino frock with lace overlay at a World Ocean Day event hosted by La Mer to benefit Oceana, in N.Y.C.
17 of 47
The emerging star is a work of art in a tie-dyed Malandrino dress and Brian Atwood pumps at the Costume Council of LACMA celebration honoring Judith Leiber in L.A.
18 of 47
Perfecting her sexy schoolgirl smolder, the actress pairs a drop-waist Opening Ceremony dress with bow-adorned heels (over socks!) at the grand opening of CO-OP Food & Drink at the Hotel on Rivington in N.Y.C.
19 of 47
Tucking a classic black halter blouse into high-waisted trousers, the Good Wife star is all smiles at a CBS Upfront presentation in N.Y.C.
20 of 47
It’s code red for Sims, who supports World Ocean Day in a ruffled red number for the La Mer and Oceana event in N.Y.C.
21 of 47
The Midnight in Paris is angelic in a silk jacquard Louis Vuitton gown, H. Stern jewels, and Christian Louboutin shoes at the movie’s Thierry Mugler-sponsored Cinema Society screening in N.Y.C.
22 of 47
is black in action in a halter-neck Hakaan jumpsuit at the Madrid premiere of Pirates of the Caribbean: On Stranger Tides.
23 of 47
The (role!) model mixes and matches a Madewell chambray button down, metallic Isabel Marant skirt, Miu Miu heels and LaurenLynn earrings for UNICEF’s Playlist with the A-list event in L.A.
24 of 47
It’s practical footwear for the pint-sized , who pairs a sheer-sleeved polka dot frock with mid-heels for the N.Y.C. screening of Midnight in Paris.
25 of 47
A futuristic rocks a bold-shouldered cobalt top with an exaggerated mini and matte tights in Paris, France.
26 of 47
The 15-year-old star steps out in a ruffled magenta halter, black platforms and a chic updo at the Project Sunshine benefit in New York City.
27 of 47
Style star Olivia continues to rock the red carpet, wearing a menswear-inspired ensemble with a transparent clutch and leopard heels to the Thierry Mugler-sponsored N.Y.C. screening of Midnight in Paris.
28 of 47
Swank is au courant in a floral Oscar de la Renta frock with contrasting hot pink pumps and Vram for Gray Gallery jewels at the Joyful Heart Foundation gala in NY.C.
29 of 47
The goes sheer in a gauzy button-up worn with a white miniskirt, printed Swarovski clutch and nude ankle boots at the Wella Professionals opening of Pipino 57 salon in Manhattan.
30 of 47
Ditching her lingerie for a more buttoned-up look, the tops sleek black trousers with a white blazer at a Mango collection launch in Paris.
31 of 47
rides the high seas in a custom red Armani Privé column gown and matching clutch, at the Pirates of the Caribbean: On Stranger Tides premiere in Munich, Germany.
32 of 47
The expectant keeps her bump incognito in palm-print trousers, a simple black tee, Yossi Harari necklaces and gladiator sandals at the Rimowa store opening in Beverly Hills, Calif.
33 of 47
smolders in a cap-sleeved cranberry sheath and taupe pumps for an appearance on the Tonight Show with Jay Leno.
34 of 47
The Voice does the polka in a spotted halter Dolce&Gabbana frock and red peep toes at an NBC Upfront event in N.Y.C.
35 of 47
Sticking with one of her favorite looks, the actress ties together her menswear-inspired ensemble with girly details like patent pumps and metallic denim by Calvin Klein Jeans, backstage at MTV’s The Seven in N.Y.C.
36 of 47
The Good Wife’s leading lady is utterly elegant in a Carolina Herrera watercolor dress and nude slingbacks to visit The Late Show With David Letterman.
37 of 47
The funny girl takes dressing seriously in a cherry-red Lyn Devon mini punctuated with black beads to host the brand’s new wardrobe launch at the W New York – Downtown.
38 of 47
Zooey tempers her tiered candy-colored BCBG Max Azria party dress with a black belt, tights and flats at the Fox Upfront for her show The New Girl in N.Y.C.
39 of 47
The turns 26 in a belted gray dress, neutral sandals and chunky blue Gerard Yosca bangles for a bash in her honor at Las Vegas’s Wet Republic.
40 of 47
To promote her Winter Kate and House of Harlow 1960 collections at Nordstrom in Newport Beach, Calif., the bohemian tops off a patterned blouse and jean skirt with another floppy hat.
41 of 47
The shows off her toned physique in an Hervé Léger minidress and mid-calf boots for KIIS FM’s Wango Tango concert in L.A.
42 of 47
promotes her latest fragrance, Gold, in a mixed print Rachel Roy dress and black platforms.
43 of 47
Accenting a frothy Marchesa confection with Chopard jewels, a Swarovski clutch and Jimmy Choo shoes, the Pirates of the Caribbean: On Stranger Tides embodies elegance at the movie’s Cannes Film Festival premiere.
44 of 47
SARAH JESSICA PARKER
makes a sophisticated statement in a floral Elie Saab gown and Fred Leighton jewels for the Wu Xia screening during Cannes.
45 of 47
46 of 47
Glee’s mean girl looks nothing but sweet in a strapless bustier camilla and marc frock and Neil Lane gems for the GLAAD Media Awards in San Francisco.
47 of 47
Lady Gaga Returns to Her Wild Style in Cheeky Satin Marc Jacobs Hot Pants
Ireland Baldwin Gets an Early Start on Halloween with a Racy (and Bloody) Costume
Back to Brunette! Demi Lovato Ditches the Blonde After Short-lived Stint
WATCH: Rihanna Teaches Her Niece Majesty How to Do a Manicure