Last Night's Look: Love It or Leave It?

Continuing to do Donna Karan proud, the commands attention (seriously, we can’t stop staring) in a draped deep pink gown by the designer, plus matching lips, Jimmy Choo heels and a bold cocktail ring, at the L.A. premiere of Apparation.

Pregnancy hasn’t changed style one bit. For a Crest event in Sao Paulo, Brazil, the supermodel mom wears what we’d consider the exact opposite of maternity wear: a one-shoulder white dress and barely-there pewter sandals.

It’s not often we encounter an ensemble that leaves us speechless, but the criss-cross, abs-baring top and matching striped wide-leg pants, worn with a wide belt and an Edie Parker box clutch to the Bachelorette premiere in Hollywood, definitely has us tongue-tied.

Part trench coat, part wrap dress and altogether eye-catching, Bachelorette’s takes a fashion risk in her cobalt gown (complete with a belt and buttons) at the film’s Hollywood premiere.

We’re a little disappointed the Olympic champ didn’t show up to the “Taste of Tennis” event in N.Y.C. wearing this, but we forgive her since we’re digging her second-skin red jeans, shrunken blazer and strappy sandals.

Proving once and for all that redheads can wear red, the actress offsets her fiery locks in a lacy Reem Acra cocktail dress, satin Sergio Rossi pumps and Bulgari jewels at the Bachelorette premiere in Hollywood.

isn’t letting a little fundraising trouble stop her from having fun: The star hits a Fashion Week event in Sydney wearing a cutout black Keepsake top, a red WE by Whitney Eve midi skirt (and lips to match!), sexy heels and a funky leather blazer.

Love the pendant, Aly! For the Bachelorette premiere in Hollywood, the champion gymnast pairs the enviable accessory with a simple white shift dress and sandals in her favorite winning shade.

It’s a far cry from her Candy days. The singer steps out in a majorly mature navy-and-black Lela Rose dress, worn with simple black pumps, for a Clos du Bois event in West Hollywood.

It’s easy to get stuck on this feminine, full-skirt Rafael Cennamo houndstooth-print dress, which the actress wore with black pumps and minimal jewelry to a Post-it event in N.Y.C.

Jaime is in West Hollywood to toast Clos du Bois, but we’d like to raise a glass to the actress’s vibrant orange dress in an ultra-flattering Grecian cut, plus her box clutch and strappy black sandals.

Short and skin-tight: the two requirements had for her red carpet dress at the America’s Next Top Model event in N.Y.C. She’s all smize and smiles over the sexy Roberto Cavalli LBD, worn with bold earrings and ankle-strap pumps.

Wondering how to wear your colorful denim into fall? Look no further: The actress tops her Joe’s pair with a lace-sleeve Rebecca Minkoff shirt and platform pumps for a simple and eye-catching ensemble, which she wears to the Clos du Bois event in West Hollywood.

Cut. It. Out. No, we’re not quoting Uncle Joey from Full House, we’re talking about Jamie’s cool Cushnie et Ochs cutout dress. She complements the sexy number with Effy jewels and cap-toe pumps at the Premium Rush premiere in N.Y.C.

Also showing a hint of midriff at the Premium Rush premiere, the actress poses like a pro in a long-sleeve, flame-red gown, Ofira gems and a slicked-back do.

Did give this outfit the OK? His X Factor trades in her punky separates for a flowing, leather-bodice gown, a silver statement necklace and a romantic updo at the Fanta Irresistible awards in Mexico City.

She’s wearing every accessory known to man except for the one we really want to see – that 14-carat engagement ring! The goes trend-heavy and dons a graphic tee, a maxi skirt, neon heels and geek-chic glasses to her Abbey Dawn booth at Las Vegas’s MAGIC trade show.

It’s not quite her Clueless wardrobe (this is not an Alaïa), but it’ll do. The actress shows off her legs in shorts, a blazer and peep-toes at Guitar Center’s RockWalk in Hollywood.

Representing the Lone Star State in London, the Dallas actress leaves her cowboy hat at home as she celebrates the show’s U.K. launch in a peach blouse and a matching brocade skirt (both by Dolce & Gabbana), plus gray Jimmy Choo sandals and a black clutch.

In a new blonde crop that would surely have all the ladies on Mad Men clutching their pearls, the actress completes her sexy new look with a fitted, lacy Dolce & Gabbana LBD and nude heels at the For a Good Time, Call premiere in N.Y.C.

The best part about Audrina’s deep-V Abyss by Abby white mini, bracelets by Bijouterie and Kay Wicks and copper heels? The ensemble can go straight from a day at the MAGIC trade show to a late-night party in a Vegas club.

Also at the N.Y.C. For a Good Time, Call premiere, the film’s star shows off her assets in a plunging fuchsia Honor sheath, strappy black sandals and a metallic clutch.

Another actress who’s crossed the pond in style: Brenda promotes Dallas in London sporting a lacy Tadashi Shoji dress with fringed heels, plus jewels and a clutch (all by Swarovski).

The was on the cover of our Play Up Your Shape issue – and that’s exactly what she does in the slinky black For Love & Lemons lace number she wears to the Academy of Television Arts & Sciences cocktail reception in Universal City, Calif. (Though, are we the only ones who felt a pang of end-of-summer sadness upon seeing her in tights?)

If it’s one part retro, one part girlie and features a sweet print, you can bet Zooey Deschanel owns it. She selects a flouncy polka-dot Dolce & Gabbana dress for the same Universal City, Calif., luncheon.

With only $45,992 to go to finance her Whitney Eve fall fashion show, the continues to campaign for her line at the MAGIC Convention at Las Vegas’s Mandalay Bay wearing a mixed-print outfit and chunky patent booties.

At the Academy of Television Arts & Sciences luncheon in Universal City, Calif., Sofia’s Modern Family costar takes a different approach to the LBD, choosing an ultra-feminine lace Christophe Josse number featuring tiers of ruffles and accessorized with black peep-toes.

Considering she’s celebrating her new line of candy, Sugarpova, it’s only appropriate that the tennis champ wears a sugar-sweet David Koma dress and drool-inducing Sergio Rossi heels to the launch at Henri Bendel in N.Y.C.

Yet another funny lady in a serious black dress! The comedian joins her fellow TV actors at the Univeral City, Calif., luncheon donning a classic black Veronica Beard sheath that really flatters her figure, plus satin Casadei pumps, Pearl Collective earrings and a House of Lavande Vintage bracelet.

Her body-hugging bright blue strapless Edition by Georges Chakra dress and curly updo feel straight out of the ’90s, but we have to admit we’re digging the flashback fashion choices, worn with a Jacqueline Nerguizian pinky ring to celebrate her world tour at Pure Nightclub in Las Vegas.

At a screening of End of Watch in East Hampton, N.Y., is the one to watch in a printed turquoise frock, earthy brown sandals and minimal makeup.

Has someone been reading the PEOPLE.com Trend Report? The stuns in a structural purple Alberta Ferretti gown – sans statement necklace – at the Global Gift Gala in Marbella, Spain.

No wonder her fashion lines are so successful! The shows off her sartorial skills in a leather skirt from her own Winter Kate collection, teamed with a black long-sleeve top and nude Jimmy Choo pumps at the Sunset Strip Music Festival in Hollywood.

What do you get when you mix va-va-voom with a tuxedo? The sexy and elegant black sheath like the one the Mad Men actress selected for the Jaguar XJL launch party in Pebble Beach, Calif., accessorized with matching heels and clutch.

Legs this hot deserve to be shown off in a mini and a slit. So it makes sense that the actress did just that in a graphic strapless Guishem dress, plus strappy Rachel Zoe Collection skyscrapers and a Swarovski clutch, at the Ocean Drive cover party in Miami Beach.

We can’t lie: We’re coveting the Pretty Little Liars star’s crisp wrap dress, which she punctuates with peep-toe pumps and an attention-grabbing cocktail ring at the 18 For 18 charity event in Hollywood.

The lady loves a maxi. And we don’t blame her. The leopard-print Blu Moon frock, worn under a black boyfriend blazer with sheer sleeves to the End of Watch screening in East Hampton, N.Y., is ultra-flattering on her.

Is AnnaLynne offering free eye exams on the red carpet? Nope, she’s just taking a fashion risk, sporting letter-print House of Holland for Pretty Polly tights, hot pants, a leopard-print For Love & Lemons top and a studded leather jacket to the 18 For 18 charity event in Hollywood.