1 of 50
2 of 50
The shows off her signature rock ‘n’ roll flair in a gauzy white top over a black bustier (both by WTB), chunky jewelry and booties at a photocall for her Gypsy Heart tour in Mexico City.
3 of 50
4 of 50
Following her big night at the Billboard Awards, the treats herself to a shopping day in L.A. wearing a feminine tiered Heartloom dress, boyfriend sweater, Rugby Ralph Lauren saddle bag and bow-adorned Shellys heels.
5 of 50
Though she’s not baring her belly, the still looks super-sexy in a neutral draped wrap dress and embellished sandals at the grand opening of Nikki Beach in Las Vegas.
6 of 50
For a Chanel fashion show in Istanbul, the jet-setting looks sweet and summery in a bell-sleeved white dress from the brand, copper pumps and a sparkling Chanel Haute Couture cuff.
7 of 50
Wrapping her curves in merlot and black, the complements her high-neck top and over-the-knee skirt with penny loafer pumps for the Rescue Our Angels Autism Benefit in Chicago.
8 of 50
In ruffled Alice + Olivia by Stacey Bendet dress worthy of the silver-screen and nude pumps, leading lady lends some shine to a Twentieth Century Fox Television Distribution Party in Los Angeles.
9 of 50
Kingston and Zuma’s hot turns up the glam factor on her plunging Robert Rodriguez tank and tie-up plaid pants with nude stilettos, mirrored Valentino shades and signature red lips for a lunch date with her boys in Studio City.
10 of 50
Transitioning from spring to summer is a walk in the park for Minka, who layers her sweet floral Heartloom dress with a coordinating cardigan, undone wrap and tan boots for a beverage stop in New York City.
11 of 50
12 of 50
American Idol’s returns to her roots – and her signature thigh-high minis! – in a sequined Lorena Sarbu number, worn with Sergio Rossi heels and a Swarovski clutch, for the show’s season finale in Los Angeles.
13 of 50
With a bold shoulder, cutout waist and tulip hemline, exposes her physique in one sexy Halston dress, which she pairs with a Tods clutch and Suzanne Felsen cocktail ring, at the FiFi Awards in New York City.
14 of 50
The American Idol jumps into the star-studded season finale wearing a crystal-adorned one piece by Michael Kors and bronze sandals.
15 of 50
Rounding off her strapless David Meister frock with black accessories and scarlet lips, the Private Practice gets sultry at the FiFi Awards in N.Y.C.
16 of 50
Mom-to-be January accommodates her growing bump in a draped black-and-purple Preen dress paired with strappy black sandals at the X-Men: First Class premiere in N.Y.C.
17 of 50
Wearing a Raquel Allegra maxidress that’s tie-dye for, the soon-to-be ex-Gossip Girl rocks a dramatic look at the SoBe Try Everything event in N.Y.C.
18 of 50
Her wedding date is just weeks away, but the bride-to-be isn’t taking any time off, rocking a sea-foam dress and sequined bolero to launch her new clothing line, Lucy in Disguise, in London.
19 of 50
Also at the X-Men: First Class premiere, Rose shows a little skin in a sheer lace dress, accessorized with a Kotur clutch, Brian Atwood pumps and Cartier jewels.
20 of 50
HOLLY ROBINSON PEETE
The actress sports a draped cowl-neck gown, sparkling bracelets and metallic clutch before presenting the Dove Real Beauty award to BFF Shaun Robinson at the Gracie Awards gala in Beverly Hills.
21 of 50
The pairs a poppy chiffon Jenny Packham dress with Tiffany & Co. jewelry and gold Stuart Weitzman sandals for the L.A. premiere of award-winning flick, The Tree of Life.
22 of 50
flaunts her mile-long legs in an architectural Vivienne Westwood minidress and nude pumps at a Milk Gallery event celebrating the Open Rankin:Private View exhibit in N.Y.C.
23 of 50
onscreen wife in The Tree of Life is a tall drink of water in her mermaid-silhouette Roland Mouret gown and Jack Vartanian jewels at the film’s L.A. premiere.
24 of 50
The takes the plunge in a black-and-white Antonio Berardi dress, Casadei shoes and pink Roger Vivier clutch at the N.Y.C. premiere of Kung Fu Panda 2.
25 of 50
Sophia looks divine in Dior, wearing a bow top, belt and ruffled skirt from the brand to the P.S. Arts Bag Lunch charity event in Santa Monica, Calif.
26 of 50
The gets fringe benefits from her nude dress, stacked bangles and vivid sandals at an N.Y.C. Assouline book bash fêting Coca-Cola.
27 of 50
She may be from Britain, but the star channels retro Americana in her belted polka-dot shirtdress, red clutch and black booties at the launch of François Nars’s book, Makeup Your Mind: Express Yourself in N.Y.C.
28 of 50
One of Carol’s Daughter’s newest spokeswomen tops off her menswear-inspired yellow pantsuit, House of Waris necklace and strappy sandals with bold hair at a launch for the beauty brand’s new collection in N.Y.C.
29 of 50
Glee’s mean girl mixes naughty and nice, pairing her eyelet minidress with a tough leather jacket and flats at the Glee Live! fan event in San Jose, Calif.
30 of 50
Rocking a look befitting her businesswoman status, the sports suspenders, a tie – and sexy red pumps – to promote her upcoming book at the BookExpo America event in N.Y.C.
31 of 50
The steps out in an appliquéd Mandalay sheath and nude pumps to celebrate American Idol creator Simon Fuller’s Hollywood Walk of Fame star in L.A.
32 of 50
The Broadway pops into the Drama Desk Awards in N.Y.C. wearing a vibrant short-sleeved top and skirt from her own Holmes & Yang line with Anita Ko earrings.
33 of 50
Expertly dressing her figure in taut teal Zac Posen, Brian Atwood heels, an Etro clutch and Stephen Webster jewels, the American Idol steals the spotlight at the unveiling of Simon Fuller’s Hollywood Walk of Fame star.
34 of 50
Also fêting Simon Fuller, the keeps her growing baby bump undercover with an oversized clutch and kimono-sleeve wrap dress, both from her own line.
35 of 50
With her engagement ring sparkling against her pretty pink Decode 1.8 dress, the flirts with color during an outing in Santa Monica.
36 of 50
After modeling a mini in Munich, shimmers in a pearlescent beaded tunic dress and House of Lavande jewelry at a Madrid photo call for Sharpay’s Fabulous Adventure.
37 of 50
The fashion plate balances a cut-out Opening Ceremony frock with boxy denim and black booties at the Volkswagen, MoMA & MoMA PS1 celebratory dinner in N.Y.C.
38 of 50
Also attending the MoMA event, cuts a crisp silhouette in a white halter dress cinched with a metallic belt in N.Y.C.
39 of 50
The singer brings on the sartorial heat in an asymmetrical T-shirt dress and sky-high platforms at the N.Y.C. premiere of The Hangover Part II.
40 of 50
After going on a pink streak, the Bridesmaids star has a neutral moment in a graphic-print frock, ruffled Brian Atwood sandals and a Bulgari ring at the MoMA dinner in N.Y.C.
41 of 50
hits the art scene in short shorts, an embellished jacket and nude platforms to celebrate the opening of Tom Everhart’s Crashing the Party exhibit in N.Y.C.
42 of 50
pairs her Michael Kors Collection dress with Salvatore Ferragamo heels and namesake Style of Jolie jewels for the L.A. premiere of Kung Fu Panda 2.
43 of 50
The night’s first winner makes a victorious turn at the Billboard Music Awards in Elie Saab gown and Lorraine Schwartz jewels.
44 of 50
Before her duet with , the steps onto the red carpet in a white Max Azria suit, Solange Azagury-Partridge jewels and Christian Louboutin heels at the Billboard Music Awards in Las Vegas.
45 of 50
Also at the Billboard Music Awards, dresses her curves in a Lanvin LBD, Christian Louboutin heels and 75 carats of Lorraine Schwartz diamonds to scoop up her millennium award.
46 of 50
Belle styles her white Tom Ford tuxedo with a Raven Kauffman Couture clutch, Sergio Rossi heels and Cartier jewels at the Young Hollywood Awards in Los Angeles.
47 of 50
The Kung Fu Panda 2 rocks her flirty white Marchesa frock with Lorraine Schwartz jewels for the movie’s Los Angeles premiere.
48 of 50
Billboard Music Awards plays peekaboo in a Dolce & Gabbana gown, Guiseppe Zanotti heels, Judith Leiber clutch and Neil Lane gems.
49 of 50
Revlon’s shows the softer side of menswear-inspired style in a teal Gucci suit and pumps at an event for the makeup brand in Manhattan.
50 of 50
serves up her chocolate Lanvin gown with a Judith Leiber clutch and Gray Gallery jewels at the Young Hollywood Awards in Los Angeles.
Vote on Last Week’s Looks! >
All The Outfits Kylie Jenner Has Worn to Hide Her Pregnancy
Our Affordable Obsession of the Day: Everlane's Mockneck Sweater
Fashion Week Jets to Milan! See All the Can't-Miss Moments from Italy