1 of 43
The proves it’s never too early to step out in all-white, wearing a belted figure-hugging dress, matching pumps and a pop of red on her lips at the Amy Winehouse Foundation Inspiration Awards and Gala in N.Y.C.
2 of 43
We’re so glad joined the American Idol judging panel so we can see her weekly diva-worthy fashion choices, like this gold studded cut-out Alexander McQueen gown, which she wears to the singing competition’s performance show.
3 of 43
The Modern Family actress wants you to know that she really, really loves feathers, as evidenced by her black bird-like gown, which she pairs with a black clutch and nude heels at An Evening Benefiting the L.A. Gay and Lesbian Center in Beverly Hills.
4 of 43
Also at the L.A. Gay and Lesbian Center event, Heather selects a girlie hot pink strapless dress, featuring a lace overlay, which she teams with nude peep-toe heels and coral lips.
5 of 43
She may have added “clothing designer” to her resume, but Lily reminds us that she is first and foremost a supermodel by showing off her figure in a skin-tight leopard print dress, which she wears to the N.Y.C. launch of her Lily Aldridge for Velvet Bloomingdale’s collection.
6 of 43
The singer brings the sparkle in more ways than one. She attends a screening of Family Weekend in a supertight LBD flecked with gold, plus coordinating strappy heels and her signature megawatt smile.
7 of 43
Perhaps the actress saw that this same dress (in a different color) got a high rating when Ashley Tisdale wore it and that’s why she selected the geometric-print RVN mini, worn with a Katherine Jetter bracelet, for a benefit supporting the L.A. Gay & Lesbian Center.
8 of 43
LANA DEL REY
Yes, those are two diamond salamander clips holding back the singer’s center-parted hair. She wears them with a draped white gown to pick up a few statues at the Echo Awards in Berlin, Germany.
9 of 43
At a dinner for Mulberry in L.A., Marisa gets funky in a two-piece maroon suit featuring wide-leg pants and a top with sleeves so voluminous, they should really be considered her plus-one (and plus-two).
10 of 43
Speaking of voluminous fashion, the trend-tester wears a khaki-colored Carven skirt suit straight off the runway, adding her own personal style touches via a black clutch, bowed heels and a pineapple pin.
11 of 43
The Mad Men selects a blue-and-white Jonathan Saunders dress (with quite the revealing sheer panel!), plus silver sandals, to celebrate the kickoff of Season 6 in L.A.
12 of 43
Keeping her look rather reserved – and more office-friendly than usual – for the Mad Men premiere in Los Angeles, Christina covers her curves in a L’Wren Scott dress, accessorized with long chain necklaces, an L.K. Bennett clutch and red pumps.
13 of 43
The Big Bang Theory actress amps up her navy strapless Monique Lhuillier gown with the help of a sequin overlay and a smoky eye, which she wears to an event to benefit the Alzheimer’s Association in Beverly Hills.
14 of 43
We’d gotten so used to seeing in her over-the-top Spring Breakers tour attire that we almost didn’t recognize her in this simple beaded yellow Alice + Olivia dress, which she pairs with gold Jerome C. Rousseau sandals, Doves earrings and a Demarco ring for an appearance on The Tonight Show with Jay Leno.
15 of 43
Another star showing some red carpet restraint: , who adds spice to an all-black ensemble with a studded belt and beachy waves for the Season 4 screening of The Voice in Hollywood.
16 of 43
We’d say the actress nailed it from the neck down: the sequined Tory Burch dress, Jacqueline Nerguizian jewels and metallic strappy Jimmy Choo heels she selects for the Alzheimer’s Association benefit in Beverly Hills are ultra-flattering. Unfortunately, we can’t say the same for what’s going on from the neck up
17 of 43
Wearing a Dior LBD that sorta reminds us of a clown who pulls silk scarf after silk scarf out of his pocket, the attends a BlackBerry launch party in L.A.
18 of 43
She may be one of the youngest stars on the red carpet for the Mad Men Season 6 premiere in L.A., but Kiernan is also one of the most stylish in her printed RED Valentino mini, accessorized with a perky pony, black lace Jimmy Choo pumps, Kwiat gems and a ruby clutch.
19 of 43
In a dress we can’t imagine Peggy Olsen ever donning, the Mad Men actress brings plenty of sex appeal to the Season 6 L.A. premiere in a plunging, ruffled black dress (with a back cutout), plus peep-toe pumps, Melinda Maria rings and a see-through Charlotte Olympia clutch.
20 of 43
If the supermodel says yes to her pending invitation to prom, we wonder if she’ll wear something like this skintight blue Zac Posen sheath, which she sports at a Samsung launch in N.Y.C.
21 of 43
Has the actress ever met a trend she wouldn’t try? We think not. She attends the L.A. premiere of The Host in a fashion-forward Thakoon dress with sheer panels and a floral motif, plus metallic Jimmy Choo heels and Stephen Webster earrings.
22 of 43
For an official tour of the Underground in London, the selects a blue Marlene Birger coat with a black beret, black pumps and tights. (Apparently someone thought her outfit was lacking one accessory, though. Kate was gifted a “Baby on board! during the event.)
23 of 43
JADA PINKETT SMITH
Further proof that chartreuse isn’t as hard to pull off as we originally thought. At the ASCAP Latin Music Awards in Beverly Hills, Jada sports the shade via a plunging long-sleeve gown.
24 of 43
At an Escada store opening in Berlin, leading lady goes for sexy simplicity in an LWD by the brand, plus nude sandals.
25 of 43
The actress’s sequined Jenny Packham gown, which she wears to the London premiere of Trance, is the same color as a stop sign and it has the same effect.
26 of 43
Che bella! We’re referring, of course, to the actress’s hair (which always looks so cool) and her checked strapless Alice + Olivia dress, accessorized with seriously strappy black sandals.
27 of 43
Red carpet purples are so much better than tennis whites. The athlete attends the Sony Open Player party in Miami wearing a printed chiffon J. Mendel tank and a coordinating pleated skirt, plus ankle-strap heels and major Le Vian danglers.
28 of 43
She’s good with a sword, but even better with a mini. For a Game of Thrones event in Hollywood, the young Brit opts for a gilded peplum dress, worn with a coordinating headband and cuff.
29 of 43
The steps out in sexy leather pants, which she pairs with a pale gray jacket and white halter top at the Target and iHeartRadio album release party for Justin Timberlake’s The 20/20 Experience in L.A.
30 of 43
The actress spices up her simple white Ted Baker London blouse and black pants with an embellished collar and bright teal clutch at the 20/20 album release party.
31 of 43
The actress gets in on the white heel trend, pairing hers with a green-and-white floral appliqué dress (both by Topshop), a black clutch and an Ippolita ring at the 20/20 launch party.
32 of 43
Looking appropriately festive at the 20/20 album release party, Victoria strikes a pose in a flouncy metallic Alice + Olivia mini with black pumps and red lips.
33 of 43
The Game of Thrones actress celebrates the show’s Season 3 premiere in L.A. wearing a fitted strapless blue Victoria Beckham design with black detailing, plus Jacob & Co. jewelry, a Christian Louboutin clutch and super-smokey eyes.
34 of 43
Also at the 20/20 launch party, Anna goes for a more casual look, selecting a printed blouse with a leather-sleeved jacket, Stella & Dot necklace, Citizens of Humanity jeans and suede booties.
35 of 43
She may be going through a breakup, but Ashley shows no signs of heartache at Hollywood’s Olympus Has Fallen premiere. The actress flaunts her curves in a fitted teal dress with a plunging neckline, Jimmy Choo sandals, Christian Louboutin clutch and Martin Katz jewels.
36 of 43
That sensation you’re feeling right now is most likely extreme envy of the pretty printed Peter Som spring coat and amazing lace-up Nicholas Kirkwood heels, worn over black skinnies and a button-down to celebrate her new book The Honest Life at an Honest Company-sponsored in L.A.
37 of 43
What’s more surprising – that (in her second trimester) is wearing leather and lace (plus Le Vian jewelry) to the Atlanta premiere of her movie Tyler Perry’s Temptation: Confessions of a Marriage Counselor or that she’s taking on the role of yes, a marriage counselor in a movie?
38 of 43
Look familiar? For a St. Patrick’s Day event in Aldershot, England, the breaks out the same forest green lapeled coat she wore last March 17. (Though this year she sports it over a black dress and tights, and with a fresh hat.)
39 of 43
The hair is pure country, but the outfit is all rock ‘n’ roll. At the Country to Country Festival in London, gets edgy in a pair of silver Joe’s pants, a black tee, Stella & Dot bracelet and black leather booties.
40 of 43
Fine, Diane, we’ll add you to this gallery of stars in crop tops. The actress bares her abs in a shrunken white Carven tee, a red leather Vanessa Bruno skirt, plus ankle-strap Christian Louboutin heels, to sign copies of The Host in L.A.
41 of 43
Showing off her abs in a slightly subtler way, Freida opts for a graphic white, black and red dress with cutouts at the obliques, plus ankle-strap sandals with bows, at a shoot in New Dehli, India.
42 of 43
It’s almost a shame she already got married, because this lacy white INC number, selected for an appearance at Macys in Miami, would be perfect for a casual wedding ceremony.
43 of 43
The Office may be winding down, but one of the show’s stars is just beginning to heat things up. Ellie attends the series finale wrap party in Culver City, Calif., in a red-hot sheath, strappy nude sandals and a voluminous ballerina bun.
WATCH: Rihanna Teaches Her Niece Majesty How to Do a Manicure
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
Irina Shayk Shares Cheeky Instagram Belfie
Mariah Carey Trades an Ugly Christmas Sweater for a Diamond Bra
WATCH AND SHOP: The Jacket-Sweatshirt Hybrid Is This Fall's Must-Have