38 best dressed celebrities this month: Demi Moore, Rihanna, and more

Sandra Oh had a total Cinderella moment at the Global premiere of Paramount+'s "The Tiger's Apprentice" at Paramount Studios on Saturday 27 January. 

The Killing Eve actress looked sublime in a silky pastel blue tea dress, complete with oversixed, feminine sleeves, an elegant mini length and plunging neckline.

All hail style queen Demi Moore! The actress looked incredible in a sequinned strapless dress with a bird motif swirling across the bodice, culminating in elaborate feather detailing. The on-point look was in aid of the premiere of her new FX show, Feud: Capote vs. The Swans, hosted at the Museum of Modern Art in NYC.

Rihanna was dripping in Dior when she attended the Christian Dior Haute Couture Spring/Summer 2024 show in Paris. Serving up high fashion glamour, the pop princess cinched in her oversized jacket and matching pencil skirt with a belt, adding white pointed stilettos, a dazzling silver necklace, and a jaunty hat.

Elegant and ethereal, Claire Foy embodied sophistication in her bridal-inspired slip dress. The star was joined by Barry Keoghan and Paul Mescal at the UK Gala Screening of All Of Us Strangers at BFI Southbank, looking beautiful in the silky number with its double thigh-split detailing.

JLo has entered her high fashion era. Proving she's no longer 'Jenny From The Block', the actress and singer wowed in a white rose jacket and fitted leggings for the Schiaparelli Haute Couture Spring/Summer 2024 show in Paris. Wet-look hair and statement gold shades completed her avant garde look.

Serving up Green Riding Hood energy, Bella Thorne put a unique twist on the classic fairytale in a beautiful hooded design with a deeply plunging neckline and dreamy chiffon train. Bella was attending the Stéphane Rolland Haute Couture Spring/Summer 2024 show as part of Paris Fashion Week.

Kristen Stewart looked effortlessly cool in a monochrome Chanel two-piece comprising a boxy jacket and baggy trousers. The Twilight star led the arrivals at the  2024 Sundance Film Festival Opening Night Gala: Celebrating 40 Years in Park City, Utah. 

Tennis legend Venus Williams looked sublime in a cranberry-hued jacket and satin tie at the Louis Vuitton Menswear Fall/Winter 2024-2025 show as part of Paris Fashion Week.

Maestro star Bradley Cooper looked slick and suave in a doube-breasted suit from the Louis Vuitton Menswear Fall/Winter 2024-2025 collection as he joined the brand for Paris Fashion Week.

Rosie Huntington-Whiteley dressed her all-black ensemble with chunky gold accessories and slick back hair to attend the UK premiere of The Beekeeper at Vue Leicester Square on 10 January. 

The British model was all smiles as she turned out to support her fiancé Jason Statham. 

Australian actress Sophie Wilde, who is nominated for an EE BAFTA Rising Star 2024 award, honored the announcement at The Savoy Hotel in London rocking a mix n' match ensemble. The Talk To Me star teamed stripes with satin and bejwelled heels in a divine cocktail of garments. 

Saltburn lead Barry Keoghan opted for an edgy deconstructed suit at the Masters of the Air premiere on Wednesday 10 January. With a deep-V neckline and a cropped fit, the Irish actor blurred the lines of traditional menswear in a slick sartorial move. 

Selena Gomez looked breathtaking in monochromatic white for the launch of Rare Beauty's Find Comfort Body Collection in Beverley Hills. With tailored trousers, a corseted top lined with a lace trim and a cape-like blazer, the actress made a case for minimalism. 

Lindsay Lohan totally made fetch happen on the pink carpet of the Mean Girls premiere in New York City on Monday 8 January. 

Two decades since the star's original Mean Girls movie came out, Lindsay looked just as glamorous in a waist-baring column dress adorned with a glittering rhinestone belt. 

It may only be January, but there's an awful lot of drop-waist silhouettes and tulle floating around 2024. Luckily, we're totally here for the ballerina-inspired trend. 

Looking breathtaking at the premiere of her new Netflix film, Lift, Gugu Mbatha-Raw was angelic in a grey tulle dress and timeless red lip.

Sex Education star Gillian Anderson wore a dress embroidered in vaginas to the 81st Golden Globes. Yes, you read that right. 

Gillian's sleek, sophisticated and sumptuous dress designed by Gabriela Hearst boasted a unique and empowering print. “It has vaginas on it,” Gillian proclaimed in conversation with Deadline. 

EXCLUSIVE: Gillian Anderson is on a mission to empower women and tackle the 'shame' of taboos

Rosamund Pike epitomised ethereal beauty in a drop waist, salmon pink tulle gown at the Vanity Fair and Amazon MGM Studios awards season celebration on 6 January. 

Embracing a ballerina aesthetic, the Saltburn star swept her hair into a slick bun. 

Danielle Brooks was a vision at W Magazine's Annual Best Performances Party in a glittering Champagne-hued gown.

Natasha Lyonne's fiery red hair was her best accessory as she slipped into a satin slip dress for the Vanity Fair and Amazon MGM Studios awards season celebration. The Orange is the New Black star added a delicate necklace and fluttery lashes to complete her 1920's inspired aesthetic. 

It may be the first month of the year, but Billie Eilish already has a list of awards and accolades under her belt for her melancholic Barbie ballad 'What Was I Made For?'. 

On 4 January, the star struck a sartorial chord in an oversized trouser suit combo for the 35th Annual Palm Springs International Film Festival Awards Gala at the Convention Center in Palm Springs. 

Saltburn star Barry Keoghan opted for a sheer mesh shirt and slick tailored trousers for the W Magazine's Annual Best Performances Party at Chateau Marmont on 5 January. 

Proving Barbiecore still reigns supreme in 2024, Margot Robbie channelled her movie alter-ego in the prettiest pink polka dot dress to attend the 35th Annual Palm Springs International Film Festival Awards Gala. The Australian beauty's retro mini featured 80s-inspired epaulettes, pleating detailing on one hip and a cute rose adorning the bodice. She added peep-toe mules in a matching satin fabric and styled her golden locks in beachy waves.

The Colour Purple actress Taraji P. Henson caused a stir when she graced the red carpet for the Palm Springs International Film Festival Awards Gala. Lighting up the Convention Center, the 53-year-old Empire star looked gorgeous in a shimmering green gown with a ruched bodice and caped sleeves. A subtle side-split offered a peek at her gold strappy heels and glittering drop earrings completed her head-turning look.

Emma Roberts donned a seriously boyfriend coded outfit at the Chicago Bulls v New York Knicks game, teaming relaxed denim jeans with a band tee and oversized striped cardigan.

Wonka fever appears to have hit London, as former Pussycat Dolls star Ashley Roberts stepped out in a chic double denim outfit and futuristic white sunglasses that wouldn't go amiss in a scene of Charlie & The Chocolate Factory.

The star paired her effortless ensemble with a white leather handbag and nude heeled pumps. 

Michelle Keegan has officially been in her thriller era ever since her nail-biting Netflix drama 'Fool Me Once' landed on the streaming platform. 

Stepping out in London on 2 January, the TV star looked polished and preppy in a tweed dress, oversized navy coat, leather gloves and unmissable silver Mary Jane heels.

SEE: Michelle Keegan inundated with support as she wows in mesmerising power suit

Power couple Christina Milian and Matt Pokora took couple dressing to the next level as they stepped out in Los Angeles in eclectic outfits at the start of the month. 

The raven-haired singer, who sang the iconic noughties soundtrack 'Call Me! Beep Me!' for Disney's Kim Possible, made a case for bold leather as she rocked a scarlet snake-print mini dress and chunky chain heels.

Of course we could trust Julia Fox to serve up a head-turning look to kickstart 2024. 

The Uncut Gems star stepped out in Miami on the first day of the month in a striking black and yellow ensemble that is giving us major The Fast and the Furious: Tokyo Drift vibes.

Dua Lipa looked sublime as she rang in the New Year with a glitzy evening in the Indian city of Jaipur.

The 'Houdini' singer's outfit of choice featured a trailing skirt and a dramatic thigh-split. She teamed the piece with a pair of suede black pointed-toe kitten heels. Dua also carried a leather maroon shoulder bag. 

Nicola Peltz and Brooklyn Beckham need no introduction as one of the best dressed power couples in show business. It-Girl Nicola was a fashion muse in a glittering discoball mini dress for her very first outfit of 2024. 

The 28-year-old rocked a semi-sheer mesh mini, adorned with reflective, Art Deco-esque adornments. Her husband Brooklyn kept it casual in a white tee and black jeans.