By Amy Lee
3:29 PM PDT, September 25, 2018
Whether they're rocking red carpets or strutting their stylish stuff on the streets, we can't get enough of these stars' fashion statements. Click through the gallery to see the best looks this month.
Jennifer Lopez

The performer sparkled in a white sequined Sally LaPointe turtleneck, midi skirt, Tamara Mellon sandals and Dolce & Gabbana clutch at the 33rd Annual Great Sports Legends Dinner.
Lady Gaga

The A Star Is Born actress stole the scene in a custom Givenchy Haute Couture silver velvet lamé and lace dress and embroidered cape with Bulgari jewelry at the film's Los Angeles premiere.
Mandy Moore

The brunette stunned in a unique, structural white dress by Dice Kayek, black sandals and Gabriela Hearst bag at the Dujour magazine cover party at TAO Downtown in New York City.
Dakota Johnson

The Bad Times at the El Royale star was pretty in pink via an embellished tiered gown at the film's Los Angeles premiere.
Emma Stone

The actress shined in a multicolored, pleated lamé evening dress by Givenchy at the New York City premiere of Maniac.
Charlize Theron

The blonde beauty attended Caruso's Palisades Village Opening Gala in a black, long-sleeve velvet dress with taffeta ruffles, vintage white patent leather sandals and silk clutch, all by Gucci.
Gabrielle Union

The actress was gorgeous in a dark green, glittery off-the-shoulder pleated knit gown by Elie Saab, Judith Leiber bag, Casadei shoes and Diamond Foundry jewelry at the Los Angeles screening of Nappily Ever After.
Adwoa Aboah

The British model was flawless in a pink satin halter dress by Miu Miu and bright orange Prada flame sandals at Revlon's Live Boldly party during London Fashion Week.
Victoria Beckham

The former Spice Girl was seen outside her London store in a sophisticated, cinched black jacket, unexpectedly worn with stirrup leggings, pumps and clutch. She accessorized with personalized Tiffany & Co. ID bracelets and wire ring.
Victoria Beckham

The fashion designer was spotted leaving her Dover Street store in London, sporting an animal print ensemble unexpectedly paired with matching sky blue clutch and pumps.
Thandie Newton

The Westworld star, who won the award for Outstanding Supporting Actress in a Drama, looked like a complete Hollywood star in an elegant, pink column gown by Brandon Maxwell at the 2018 Emmys.
Issa Rae

The Insecure creator arrived at the 2018 Emmys in a custom Cinderella blue jumpsuit by Vera Wang.
Tracee Ellis Ross

Leave it to the Blackish actress to bring Haute Couture to the Emmys red carpet via a voluminous pink Valentino number.
Rachel Brosnahan

The Emmy winner, awarded for her lead role in The Marvelous Mrs. Maisel, was the epitome of grace in a red, off-shoulder gown by Oscar de la Renta on the red carpet.
Penelope Cruz

The Assassination of Gianni Versace actress was breathtaking in a custom, dove gray feathered gown and matching stole by Chanel at the 2018 Emmys.
Angela Sarafyan

The Westworld actress brought the drama in a regal Christian Siriano ballgown at the 2018 Emmys.
Jessica Biel

The Sinner actress wowed in a structured strapless gown by Ralph & Russo Couture at the 2018 Emmys.
Kerry Washington

The actress was gorgeous in a floral printed dress, nude pumps and long braids at a photo call for her Broadway play, American Son.
Rihanna

The performer was a vision in white in an Alexis Mabille Couture number at the 2018 Diamond Ball.
Issa Rae & Donald Glover

The Insecure actress shined in a sequined Valentino number, while Glover, aka Childish Gambino, looked ultra-cool in an oversized navy blue suit by Dior at the 2018 Diamond Ball.
Emily Ratajkowski

The model arrived at the Marc Jacobs spring/summer 2019 show during NYFW in the designer's voluminous gathered strapless top, loose trousers and wide-brimmed hat.
Bella Hadid

The supermodel pulled off six different trends in one outfit in a pale pink skirt suit, fuzzy top, chunky sneakers, transparent sunglasses, mini shoulder purse and claw hair clip in New York City.
Keira Knightley

The Colette actress looked regal in a Chanel navy blue, chiffon dress at the movie's premiere party during the Toronto International Film Festival.
Nicole Kidman

The Boy Erased actress was the epitome of elegance in a black, long-sleeve satin asymmetric dress by Monse at the movie's Toronto International Film Festival pre-party.
Judith Light

The Assassination of Gianni Versace actress was a class act in a polka-dotted blouse, dark denim trousers, leopard print shoes and printed sweater draped over the shoulders at the Michael Kors spring/summer 2019 show.
Hailee Steinfeld

The "Let Me Go" singer rocked a full tartan look via Michael Kors' red blazer, black pants and yellow pumps for the designer's fashion show during NYFW.
Rami Malek

The Bohemian Rhapsody lead attended the Calvin Klein show in the brand's oversized checked wool blazer, white T-shirt, black trousers and shoes.
Kate Bosworth

The stylish blonde rocked a red buttoned, vinyl shirt, matching pants and Lucite shoes to the Calvin Klein NYFW show.
Saoirse Ronan

The Mary Queen of Scots actress was chic in a black-and-pink mini and embellished ankle-strap sandals at the Calvin Klein show during NYFW.
Millie Bobby Brown

The Stranger Things star sat front row at the Calvin Klein spring/summer 2019 show in an indigo, denim button-down dress, orange turtleneck and matching lace-up boots.
Rosie Huntington-Whiteley

The model rocked a sumptuous light blue velvet dress from Oscar de la Renta with red Christian Louboutin wraparound pumps and David Webb jewelry for the ready-to-wear line's NYFW show.
Selena Gomez

The Coach ambassador was gorgeous in a metallic gold mini from the line for the brand's spring/summer 2019 show.
Claire Foy

The First Man actress shined in a star embellished gown by Miu Miu for the film's post-screening event during the Toronto International Film Festival.
Thandie Newton

The Westworld actress was a vision in a forest green velvet plunging gown from Oscar de la Renta at the premiere party of The Death and Life of John F. Donovan during Toronto International Film Festival.
Blake Lively

The blonde fashionista rocked Givenchy via a see-through glittery top, black suit jacket with dramatic coattail, coordinating straight-leg trousers and Christian Louboutin shoes for the premiere of A Simple Favor.
Anna Kendrick

The A Simple Favor star walked the red carpet at the film's New York City premiere in a flirty fringed off-the-shoulder red mini by Cushnie.
Kate Bosworth

The actress attended the Proenza Schouler spring/summer 2019 show in the line's dark tie-dye long-sleeve dress.
Keira Knightley

The British actress was adorable in a Chanel outfit of striped shirt, jacket and white skirt during a press conference for her film Colette during Toronto International Film Festival.
Kelly Rowland

The Destiny's Child star chose a cropped white blouse and magenta satin corseted shorts by Prabal Gurung for the designer's spring/summer 2019 show.
Rachel Brosnahan

The Emmy nominee for The Marvelous Mrs. Maisel kept it cool in the rain at the Rodarte fashion show, presented by FIJI Water, in a gorgeous red dress from the line.
Kendall Jenner

The model was spotted in a suede purple mini dress and gladiator sandals en route to the Longchamp show during NYFW.
Lady Gaga

The A Star Is Born actress continued her streak of jaw-dropping ensembles in a Ralph & Russo dress and matching hat at the film's screening during Toronto International Film Festival.
Bella Hadid

The brunette beauty chose an Andreas Kronthaler for Vivienne Westwood ensemble and Le Silla shoes for the BoF500 gala dinner.
Gigi Hadid

The supermodel arrived at the BoF500 gala dinner in a canary yellow shirt dress by Brandon Maxwell and a transparent champagne bottle bag.
Yara Shahidi

The Grown-ish actress wore a golden yellow gingham pantsuit by Brock Collection for Refinery29 and TNT Celebrate Shatterbox at Toronto International Film Festival.
Jessica Chastain

The Oscar-nominated actress could be spotted from a mile away in a bright yellow strapless dress by Ralph Lauren for the designer's 50th anniversary fashion show.
Priyanka Chopra & Nick Jonas

The adorable couple looked gorgeous at the Ralph Lauren 50th anniversary show during NYFW. Chopra stunned in an embellished column dress, while Jonas was dapper in a white jacket and bow tie.
Cardi B

The rapper brought the drama in a fiery red tiered gown by Dolce & Gabbana for the Harper's Bazaar Icons Party.
Bella Hadid

The model showed off her envious figure in a custom Mugler bodysuit at the Harper's Bazaar Icons Party.
Kate Bosworth

The actress sat front row at the Kate Spade New York spring/summer 2019 show in the line's decorative midi dress.
Natalie Portman

The brunette actress smiled as she attended the premiere party for Vox Lux during the Toronto International Film Festival in a lilac silk pleated gown by Dior.
Timothée Chalamet

The Oscar-nominated actor and fashion boy stole our hearts in this stunning black-and-white Haider Ackermann suit at the Beautiful Boy premiere during the Toronto International Film Festival.
Bella Hadid

The supermodel was a complete '90s babe in a sheer vintage camel-colored Christian Dior tank with matching jacket and mini skirt while out in New York City.
Katie Holmes

The actress made a plain white shirtdress so chic with cap-toe pumps and slicked back hair at the Tory Burch show.
Tiffany Haddish

The comedian layered a long printed dress over black pants and Brian Atwood shoes at Tory Burch's spring/summer 2019 show.
Zoe Saldana

The Guardians of the Galaxy star was ready for a night out in a lace corset top and black pants by Dolce & Gabbana at the Cartier Juste Un Clou soiree in New York City.
Suki Waterhouse

The British model and actress arrived in a sultry, ruched asymmetric dress and Lucite sandals by Alexander Wang at the Cartier Juste Un Clou event.
Lily Collins

The actress was red hot in a sparkly Zuhair Murad V-neck mini and matching sandals at the Cartier Juste Un Clou party during New York Fashion Week.
Nicky Hilton

The socialite was a disco queen in a liquidy metallic silver halter dress by Galvan London and Aquazzura shoes for the Cartier Juste Un Clou party in New York City.
Kendall Jenner

The supermodel strutted in head-to-toe Alexandre Vauthier en route to the ANGELS launch and exhibit. The satin blazer mini cinched with wide pale pink belt paired with slouchy puffer boots were a fierce combination.
Cardi B

The rapper was a siren in a leopard-print ensemble of matching jacket and wide-leg trousers with black bustier top by Jeremy Scott at the designer's spring/summer 2019 show.
Candice Swanepoel

The model hosted the ANGELS by Russell James book launch and exhibit in an off-shoulder LBD by Alexandre Vauthier.
Cindy Crawford

The timeless fashion icon wowed in a metallic gold dress and strappy black sandals as she hosted the ANGELS by Russell James book launch and exhibit alongside Swanepoel.
Gigi Hadid

The supermodel shined in a silver lamé Paco Rabanne dress and matching metallic pumps for the Daily Front Row's Fashion Media Awards in New York City.
Hailey Baldwin

Winner of Fashion Media Personality, the blonde It girl stole the show in a green beaded custom Tommy Hilfiger gown at the Daily Front Row's Fashion Media Awards.
Haim

The musical sisters looked utterly cool as always in J Brand jeans and colorful jackets for the line's fall collection party and private concert in Los Angeles.
Sarah Jessica Parker

The style icon attended Italian lingerie brand Intimissimi's fashion show in Verona, Italy, wearing a white lace top and an A-line satin teal skirt.
Selena Gomez

The Coach ambassador visited the store at The Grove in Los Angeles to launch her new collection in a slip dress, ankle-strap sandals and lariat necklace.
Hailee Steinfeld

The singer and actress was sleek and cool in a plunging black jumpsuit cinched by a glitzy buckle belt from Tom Ford at the designer's spring/summer 2019 show during New York Fashion Week.
Cardi B

The rapper kicked off New York Fashion Week by sitting front row at Tom Ford's show in a fitted black dress with structured shoulders by the designer.
Zendaya

The actress stunned in a purple-and-yellow draped satin gown by Ralph & Russo with slicked back tresses and sexy, smoky violet eyes at the GQ Men of the Year Awards.
Chrissy Teigen & John Legend

The power couple enjoyed a night out at the GQ Men of the Year Awards in London. Teigen chose a blush-and-silver hand beaded Labourjoisie dress, while Legend was dapper in a bespoke velvet navy suit and bow tie by Boss.
Gemma Chan

The British beauty was a vision in a floral Simone Rocha midi, styled with burgundy accessories, for the London premiere of Crazy Rich Asians.
Constance Wu

The Crazy Rich Asians lead attended the film's London premiere in a light pink tulle dress from Rodarte.
Natalie Portman

The Vox Lux actress was a golden goddess in a glittering Gucci gown at the film's screening during the Venice Film Festival.
Dakota Johnson

The Suspiria star exuded old Hollywood elegance in a structured silk, red strapless dress by Dior for the film's Venice Film Festival premiere.
Lady Gaga

The A Star Is Born leading lady took our breath away as she arrived at the film's premiere at the Venice Film Festival with co-star Bradley Cooper in an ultra-glamorous, feathered couture gown by Valentino.