1 of 51
Closing out the Monte Carlo Television Festival in Monaco, stuns in a strapless draped origami gown by Marchesa, paired with minimal jewelry and a sleek updo. (P.S. You definitely don’t want to miss the back of this gown!)
2 of 51
Someone’s stylist deserves major props! The amazing looks ultra-chic during the Amazing Spider-Man tour in Seoul, South Korea, wearing a geometric-print Fendi dress, Cartier sparklers and simple pumps for the film’s latest premiere.
3 of 51
The triumphantly returns to the red carpet in an asymmetric crystal-covered Michael Kors gown, Roger Vivier clutch and Chopard gems to promote her new film, To Rome with Love, in L.A.
4 of 51
Forgoing the usual mini, takes a fun fashion risk at the Young Hollywood Awards in Los Angeles, opting for a Donna Karan corset and skinny trouser pants finished with M.C.L. by Matthew Campbell Laurenza bangles, black peep-toes and a simple clutch (both by Christian Louboutin).
5 of 51
Accompanying her husband to the Presidential Medal of Freedom ceremony, the First Lady looks award-winning herself in a chain-belt Michael Kors gown and House of Lavande jewelry.
6 of 51
For an actress who’s so anti-fashion, Shailene looks awfully fashionable in a form-fitting patterned Mary Katrantzou dress, simple Christian Louboutin pumps and a slicked-back pony.
7 of 51
Taking a trip to her homeland to promote her film Rock of Ages, the actress chooses a cool gray Philosophy di Alberta Ferretti dress, silver Jimmy Choo sandals and House of Lavande jewels for the flick’s Stockholm premiere.
8 of 51
At the Young Hollywood Awards in L.A. to receive her “Style Icon” trophy, the star lives up to that title in a white Monique Lhuillier frock with delicate lace embroidery, accented with a striped Edie Parker clutch, Jennifer Meyer jewels and black Christian Louboutin heels.
9 of 51
Also in the City of Angels for the Young Hollywood Awards, the 15-year-old star shows true style grit, wearing a daring Prabal Gurung pantsuit with skull-and-roses embroidery on the bodice, then finishes the look with House of Lavande gems and an Edie Parker clutch.
10 of 51
Revenge is sweet for the actress, who walks the carpet at Monte Carlo’s closing ceremony in Monaco wearing a one-shoulder navy column, understated Pomellato jewelry and a metallic Lena Erziak clutch.
11 of 51
Only 13 percent of StyleWatchers loved her last outfit, but the the Amazing Spider-Man bounces back in an olive-and-blue striped top with a Burberry outfit, including a top with an embellished neckline and a high-waist skirt, Jennifer Meyer jewels and red Brian Atwood pumps at a press event for the movie in Seoul, Korea.
12 of 51
We salute the strong-shouldered, military-inspired jacket, cropped green pants and cap-toe pumps, a head-to-toe Louis Vuitton look she wears to the Persol Magnificent Obsessions exhibit at N.Y.C.’s Museum of the Moving Image.
13 of 51
The actress opts for a cute, laid-back getup for the opening of Disneyland’s Cars Land in Anaheim, Calif., with a ruffled top, shorts, a chain-strap bag and striped wedges, just playful enough for a day at an amusement park.
14 of 51
In a sweet striped A-line Issa London dress and a cutout-lapel black blazer, plus some statement-making sandals and Dana Rebecca Designs earrings, goes to Washington, D.C., to attend the Frontiers in Development forum.
15 of 51
Also at the Persol event in N.Y.C., the Glee star is dressed to kill (and for chill), topping a brocade dress with a cardigan and finishing the look with tights and flat boots.
16 of 51
Never one to play by the rules, the edgy sports a black silk jumpsuit, satin pumps, sparkly danglers and a graphic clutch at PETA’s Stand Up for Animals Benefit in West Hollywood.
17 of 51
Playing with prints in a patterned maxi dress at the Cars Land opening at Disneyland in Anaheim, the Modern Family actress finishes off her sweet look with boho touches, including platform sandals, beachy waves and a funky headband.
18 of 51
Also at the West Hollywood PETA event, Olivia mixes casual and chic via a flowing gray top and dark denim, adding a hint of glam with blinged-out ankle-strap sandals.
19 of 51
The actress dons a navy knee-length sheath dress, black peep-toe pumps and a black-and-white clutch for a sophisticated appearance at the Ghetto Film School Benefit in the Big Apple.
20 of 51
The fashionista proves she deserves that title in a structured, seemingly ocean-inspired blue dress, sky-high gold sandals and a pair of white shades at the N.Y.C. Persol event.
21 of 51
Fresh off her fragrance launch, pairs a pastel blue sheath with nude pointy pumps for the Alliance for Children’s Rights Right to Laugh event in Hollywood.
22 of 51
Was this a costume party? ditches her Goth look in favor of a flapper-inspired dress, necklace, Ista Jewelry ring, headpiece and heels at the City of Hope Spirit of Life Awards gala in L.A.
23 of 51
The Gossip Girl attends the Salvatore Ferragamo cruise collection fashion show in Paris in the label’s burgundy off-the-shoulder top, sparkly skirt and peep-toe pumps.
24 of 51
Back in the Mediterranean following a trip to Cannes, brightens up the Monte Carlo Television Festival in a curve-hugging patterned sheath teamed with sky-high pink suede Brian Atwood platforms.
25 of 51
Although she starred in The Help Viola definitely doesn’t need any in the style department – she is flawless in a Max Mara strapless LBD accented with a bow, plus matching Jimmy Choo heels and a Katerina Maxine bracelet at the Women in Film awards in Los Angeles.
26 of 51
In Tokyo to promote The Amazing Spider-Man with doting boyfriend , takes a risk in a billowing wine-colored Rochas dress paired with bow-topped Christian Louboutin “Love Me” heels and Van Cleef & Arpels jewelry.
27 of 51
Taking in the Salvatore Ferragamo show in Paris, the actress sparkles in the label’s beaded black dress with sheer sleeves, satin pumps, matching shimmering clutch and drop earrings.
28 of 51
29 of 51
The actress also stopped by the Salvatore Ferragamo fashion show in Paris in a sheer gold brocade number, strappy heels and a metallic clutch all by the brand.
30 of 51
Red alert! The Up All Night strikes a pose in a sophisticated knee-length peplum Max Mara dress teamed with black Christian Louboutin peep-toe platforms and a Daniel Swarovski black snakeskin clutch – at the Women in Film awards in L.A.
31 of 51
Apparently the promotional tour for The Five Year Engagement is nearly as long: hits Hamburg, Germany, for the film’s photo call in a sleek red Roksanda Ilincic sheath, Ista Jewelry and pearlescent peep-toe booties.
32 of 51
She may play a vampire on TV, but the actress looks practically angelic at a West Hollywood Max Mara party honoring Chloë Moretz, pairing a ruffle-sleeve white top and fitted skirt (both by Max Mara) with stacked silver Jimmy Choo sandals, David Yurman jewels and an azure clutch.
33 of 51
To accept her Max Mara Face of the Future award in West Hollywood, the star keeps it simple in a slim teal Max Mara dress, metallic cuff and nude sandals with a subtle pop of color at the platform.
34 of 51
Only and Stella McCartney could make grass look this glam: the newly shorn Les Miserables star does the summer menswear trend a solid in white tailored pants with a tuxedo-style jacket, worn over a graphic tee (all by Stella McCartney) and finished with a chain-strap wristlet, delicate necklace and nude flats for the designer’s N.Y.C. spring presentation.
35 of 51
Revenge’s leading lady pairs a sweet white ruffled Monique Lhuillier top with a black flared Rachel Zoe Collection skirt, Melinda Maria earrings and printed Jimmy Choo heels for the Monte Carlo TV festival in Monaco.
36 of 51
fashion forward sister plays with prints in a graphic burgundy, blue and black mini, which she accessorizes with strappy heels and cool cuff bracelets at a party for Michael Kalish’s Belle Epoque Sculpture in N.Y.C.
37 of 51
Looking sophisticated at the New York City Arts Connection Benefit, the Girls actress dons a summery strapless floral printed cream sheath and tan ankle-strap sandals (both by Ralph Lauren Collection) and drop earrings.
38 of 51
The stunning actress balances her bright zig-zag printed top with a demure black knee-length skirt and strappy sandals at the Romy Schneider and Patrick Dewaere Awards in Paris.
39 of 51
Olivia shows off her gorgeous gams in a flirty wine colored Max Mara mini and sky-high gold Christian Louboutin sandals, plus Neil Lane jewelry, at the Women In Film Face of The Future party in West Hollywood.
40 of 51
Never one to play it safe, the fashionista stops by the Scottish Fashion Awards in Scotland wearing a brown floral brocade dress over an embroidered button-up (both by Christopher Kane) teamed with tassel-adorned loafer pumps.
41 of 51
does the rock star thing at the Hollywood premiere of her film Rock of Ages, topping a striking chartreuse one-shoulder KaufmanFranco gown with Stephen Webster earrings, a messy topknot and bright tangerine lips.
42 of 51
Glee’s chooses a dramatic Emilio Pucci dress with a watercolor print and sheer inserts, then polishes it off with heavy bangs, Pomellato jewels and Jerome C. Rousseau sandals at the 11th Annual Chrysalis Butterfly Ball in Brentwood, Calif.
43 of 51
Is Spidey (who loves a good red, white and black ensemble) style inspiration? The Amazing Spider-Man star dons white pants, a black leather J Brand top, red-tipped Christian Louboutin pumps and $95 Melinda Maria danglers at an N.Y.C. photo call for the film.
44 of 51
During a seriously hair-raising outing with husband Josh Duhamel, the lets out her inner rocker in a black Roberto Cavalli mini emblazoned with golden feathers, an oversize flame-print clutch and black patent Fergie Footwear heels at the Rock of Ages Hollywood premiere.
45 of 51
Ensuring they could see her even in the cheap seats at the Tony Awards in N.Y.C., Jessica (one of the night’s presenters) dazzles in a crystal-embellished Marios Schwab dress, Harry Winston diamonds and silver pumps.
46 of 51
47 of 51
We can’t lie: The of The Honest Company looks practically perfect in a navy-and-white polka-dot Tory Burch frock and bright orange espadrilles at an event for her brand in L.A.
48 of 51
From beach babe to glam girl, the maintains her California cool style by mixing a long lacy Again gown from Planet Blue with an unexpected messy topknot at the Chrysalis Butterfly Ball in Brentwood.
49 of 51
Lovelace’s lights up the Tony Awards in N.Y.C. in a gilded purple frock accented with a bold red belt, matching clutch and black patent sandals (all by Givenchy by Riccardo Tisci) and Fred Leighton gems.
50 of 51
The Rock of Ages star follows her own style advice – “Go with your gut!”– literally, flashing a tight tummy (and then some!) in look-at-me black-and-metallic Reem Acra number, worn with matching accessories and Neil Lane jewelry at the movie’s Hollywood premiere.
51 of 51
CATHERINE ZETA JONES
Also at the Rock of Ages event in Hollywood, the gets saucy in a lace-embroidered, one-sleeve Zuhair Murad mini, worn with T-strap heels and Lorraine Schwartz gems.
Selena Gomez Stars in New Ballerina-Inspired Puma Campaign That'll Have You Looking on Pointe
Pregnant Chrissy Teigen Finally Meets Sophia the Robot: 'I'm Freaking Out!'
Is Kim Kardashian Really Naming Her Baby Girl Louis Vuitton West? Star Explains Cryptic Instagram
9 Seriously Stylish Coats to Make a Statement In This Winter
See Gwyneth Paltrow's Enormous Engagement Ring from Fiancé Brad Falchuk