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

Check out the head-turning outfits Katie Holmes, Jessica Chastain and more stars were just spotted in! Then decide – fabulous or fashion fail?

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KATIE HOLMES

KATIE HOLMES
Xposure

Heading to her Broadway show, Dead Accounts, in N.Y.C., keeps it casual and cool in an oversize navy jacket that shows off her gams, plus floral Pretty Polly tights and ankle booties.

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JESSICA CHASTAIN

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Humberto Carreno/Startraks

Heading out after her Broadway show, the actress wears the official color of N.Y.C. women via a military-inspired coat, tights and lace-up platform booties, but adds visual interest with a leopard-print mini.

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NICKI MINAJ

NICKI MINAJ
Demis Maryannakis/Pacific Coast News

No Christmas dresses here! Nicki gets festive with a black body suit featuring red-and-black studded shoulder pads, coordinating oversize sunglasses and black platforms at the Christmas Extravaganza at Webster Hall in N.Y.C.

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DEMI LOVATO

DEMI LOVATO
Jason LaVeris/FilmMagic

has stuck to all-black ensembles for much of her X Factor stint, but for the show’s L.A. finale, she dares to bare (and get people to stare) in a blue-and-copper cutout minidress, huge hoops and towering black pumps.

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KATIE HOLMES

KATIE HOLMES
Bill Davila/Startraks

Never one to follow traditional style rules, the tops a feminine fuchsia Narciso Rodriguez dress and champagne bow-topped heels with an unexpected olive military-inspired trench before her appearance on The Late Show With David Letterman in N.Y.C.

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BRITNEY SPEARS

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Jason LaVeris/FilmMagic

, on the other hand, plays it safe for her final night on X Factor, accenting her black-and-sheer bustier dress with giant patent platforms and a flippy updo.

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TINA FEY

TINA FEY
Charles Sykes/Invision/AP

says goodbye to 30 Rock in style, attending an N.Y.C. wrap party in a graphic-print top, jeans and heels.

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KHLOé KARDASHIAN

KHLOé KARDASHIAN
Giulio Marcocchi/Startraks

The X Factor judge also prepares to send off the show at its L.A. finale – but in a way more amped-up ensemble, from her green-and-pink shimmer mini dress to her giant curls.

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NAOMI WATTS

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Humberto Carreno/Startraks

For her appearance on N.Y.C.’s The Late Show With David Letterman, the Impossible star beats the elements in a leather A-line Calvin Klein Collection coat, earrings and a ring by Jamie Wolf and a Joan Hornig cuff, and gold-piped booties.

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DEMI LOVATO

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Russ Einhorn/Splash News Online

It’s back to black for the X Factor judge, who celebrates the show’s L.A. finale in a tuxedo jacket, chunky Karen London necklace and sky-high sandals.

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BRITNEY SPEARS

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Jen Lowery/Splash News Online

Combining a black backless top with a strikingly long chain of black beads and what appear to be the heel equivalent of Adidas Sambas, makes her own unique style statement at the X Factor finale.

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KHLOé KARDASHIAN

KHLOé KARDASHIAN
Jordan Strauss/Invision/AP

The X Factor host is part sexy waitress, part beauty queen and part party girl in her black, white and shocking pink look at the show’s L.A. finale.

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GIULIANA RANCIC

GIULIANA RANCIC
David Becker/Getty

Miss Universe has nothing on the TV personality, who glides down the show’s Las Vegas red carpet in a pageant-worthy strapless fishtail Winnie Couture dress and soft updo.

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LEANN RIMES

LEANN RIMES
Frazer Harrison/Getty

Prior to her buzzed-about performance on the X Factor finale, the hits the red carpet in a black mini, knee-high boots and a fringed, beaded necklace.

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RITA ORA

RITA ORA
Charley Gallay/WireImage

There are holiday party outfits we enthusiastically recommend, and then there are other holiday party outfits. We’ll let you decide which category Rita’s embroidered shimmering mini and knee-high chain peep-toe booties, worn to a West Hollywood charity event hosted by Samsung Galaxy and the Weinstein company, fall under.

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RIHANNA

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Tyler Golden/NBC

During the finale of The Voice, hits the stage in a dazzling sequin jumpsuit, striking crystal accessories and bronze sandals (all by Lanvin), plus a J/Hadley snake ring.

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ROSE BYRNE

ROSE BYRNE
Dave Allocca/Startraks

She’s at an N.Y.C. screening for Not Fade Away, but Rose’s outfit would work equally well for a low-key holiday outing: the all-black outfit is a no-brainer, while the pops of red and snakeskin heels make it feel festive.

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BELLA HEATHCOTE

BELLA HEATHCOTE
Dave Allocca/Startraks

Also at the Not Fade Away premiere (and also opting for a red-and-black palette), the film’s star looks elegant in a two-tone draped Lanvin gown, Swarovski earrings and on-trend wine lips.

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NICKY HILTON

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Rob Kim/FilmMagic

In N.Y.C. to help pal Derek Blasberg launch his stationery collection for Opening Ceremony, the star balances cozy with cute in a striped knit sweater, gray jeans and chain-adorned booties.

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PETRA NEMCOVA

PETRA NEMCOVA
John Parra/Getty

The supermodel gets decked out in appropriately uplifting colors at a Miami event to celebrate her Happy Hearts Fund’s new partnership with Clinique. She finishes her look with neutral pumps and a delicate pendant.

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ALEXA CHUNG

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Matteo Prandoni/BFAnyc/Sipa

Opting for a less cheerful look than Petra, the British style setter flashes a bit of skin in a head-to-toe black ensemble at Derek Blasberg’s Opening Ceremony party in the Big Apple.

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BRITNEY SPEARS

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Jon Kopaloff/FilmMagic

Looking bangin’ at the L.A. X Factor season finale, the show’s shows off her curves in a fitted black sheath, sparkling necklace and high-shine sandals.

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JESSICA CHASTAIN

JESSICA CHASTAIN
Marion Curtis/Startraks

The Zero Dark Thirty star also opts for an LBD (this one plunging, with a peplum) and pretty Casadei sandals at an N.Y.C. screening of the film.

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ASHLEY TISDALE

ASHLEY TISDALE
John Shearer/Invision/AP

does good while looking good, wearing a body-con white mini with layered necklaces and cheetah-print platforms at a Toys for Tots holiday party in Studio City, Calif.

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HAILEE STEINFELD

HAILEE STEINFELD
Alexandra Wyman/Getty

What, like you didn’t celebrate your Sweet Sixteen in Louis Vuitton? The actress pairs her checked romper and red clutch by the luxe label with tri-tone pumps, all worn to her VitaminWater and Sally Hansen-sponsored birthday bash in L.A.

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DEMI LOVATO

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Gregg DeGuire/WireImage

cohort on the X Factor fêtes the final episode of the season in a striped skirt, blousy black top and collar necklace.

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KHLOé KARDASHIAN

KHLOé KARDASHIAN
Gregg DeGuire/WireImage

Also at the X Factor finale bash, the show’s host tops her flattering all-black ensemble with a leopard jacket and some serious pageant hair.

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MILEY CYRUS

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Sara De Boer/Startraks

Taking her role as a VH1 Diva very seriously, the makes an entrance at the L.A. concert in a black turtleneck dress that shows off her toned bod via some very racy cutouts, plus Jean-Michel Cazabat pumps and Lorraine Schwartz earrings and bracelet with an Ofira ring.

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DUCHESS CATHERINE

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David Davies/PA Wire/Abaca

What baby bump? The looks slim as ever in an elegant forest green V-neck Alexander McQueen gown, worn to her first public appearance since announcing her pregnancy: the BBC Sports Personality of the Year Awards in London.

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DEMI LOVATO

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Rob Latour/Rex USA

Also at L.A.’s VH1 Divas event – but looking decidedly less dramatic than Miley – the shines in a holiday party-perfect dress with a reverse scoop neckline and sheer beaded sleeves.

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CAREY MULLIGAN

CAREY MULLIGAN
Dave M. Benett/Getty

The Great Gatsby star also opts for sheer, black and sparkly at a Gstaad Alzheimer’s benefit, wearing a glittering checked dress with studded sandals and a slicked-back bun.

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KELLY OSBOURNE

KELLY OSBOURNE
Rob Latour/Rex USA

In a floaty white Paule Ka dress and flirty, feathery Charlotte Olympia pumps (plus, yes, that purple hair), the star is all smiles at the VH1 Divas event in L.A.

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KRYSTEN RITTER

KRYSTEN RITTER
Steven Lawton/FilmMagic

Yet another way to another way to accessorize an LBD! The actress celebrates her birthday in Las Vegas with a gladiator-inspired Hervé Léger by Max Azria dress, Rachel Zoe Collection boots and lots of sparkle.

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JORDIN SPARKS

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Jon Kopaloff/FilmMagic

Joining the rest of the crew at the VH1 Divas concert in L.A., the chooses an elegant black Nicole Miller gown with bronze embellishments and a Daniel Swarovski clutch.

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KERRY WASHINGTON

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Craig Barritt/Getty

The Django Unchained actress stops by BET’s 106 & Park sporting a leather A.L.C. LBD with edgy accessories (including a House of Lavande Vintage necklace, and necklaces, a bracelet and rings all by Sydney Evan) and contrasting ladylike pumps.

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LINDSAY LOHAN

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Michael Stewart/Getty

If you think the has a lot going on in her personal life, the same can be said about her outfit a black mini with lace sleeves and a leather and fur jacket which she wore to a holiday party in N.Y.C.

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JENNA DEWAN-TATUM

JENNA DEWAN-TATUM
All Access Photo/Splash News Online

The wife of the Sexiest Man Alive hides her growing baby bump in a strapless empire waist Temperley London dress and dazzling accessories (including an Oroton clutch) at the VH1 Divas concert in L.A.

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