The stars of The CW's hit series Riverdale know how to work a red carpet! KJ Apa, aka Archie Andrews, looks just as fine IRL as he does in his varsity letter jacket on the show. As for Lili Reinhart, who plays Betty Cooper? The stunning actress ditches her character's signature high ponytail and sweaters for some designer duds, and she always looks breathtaking doing so! We're looking back at our favorite red carpet moments from not just Apa and Reinhart, but also Camila Mendes, Cole Sprouse, Madelaine Petsch and more of their Riverdale co-stars as they strike poses at events like the Teen Choice Awards, MTV Movie and TV Awards and more. Click through the gallery to see some of their best fashion moments ever.
Lili Reinhart at the 2020 'Vanity Fair' Oscar Party
The actress, who plays Betty Cooper on the CW series, wore a voluminous, pastel floral gown by Marc Jacobs, accessorizing with tiny blue earrings.
Madelaine Petsch at the 2020 'Vanity Fair' Oscar Party
Petsch's emerald Elie Saab gown was embroidered with silver and gold flowers and cinched at the waist with a velvet belt in a matching jewel tone.
Camila Mendes at the 2020 'Vanity Fair' Oscar Party
Mendes' Picasso-inspired gown was a work of art! The Moschino gown featured exaggerated blue sleeves, a bodice painted to look as though it were covered in chains and a bright red, striped skirt.
Charles Melton, KJ Apa and Casey Cott at the 'I Still Believe' Premiere
The Riverdale boys sure do clean up well! The dapperly dressed Melton and Cott supported heir equally well-suited TV castmate on the red carpet for his latest film project.
Madelaine Petsch at Milan Fashion Week Fall/Winter 2020
Petsch cranked up the heat in a red BOSS pantsuit and matching silky top.
Lili Reinhart at the 26th Annual Screen Actors Guild Awards
The Riverdale actress wore a black-and-white Miu Miu gown that featured a pearl-embroidered bodice and a ruffled skirt.
Camila Mendes at the 2019 'Vanity Fair' Oscar Party
Veronica Lodge herself stepped out in a plunging orange-and-black floral Lela Rose frock, even matching her lipstick to the pretty hue.
KJ Apa at the 2019 Teen Choice Awards
The actor, known for his role as Archie Andrews, hit the blue carpet in a relaxed summer suit.
Madelaine Petsch at the 2019 Met Gala
For her very first Met Gala, Riverdale's Cheryl Blossom served up fairy princess vibes in her semi-sheer Jean Paul Gauliter gown mint gown that came complete with wings and matching Jimmy Choo peep-toe heels.
Cole Sprouse at Variety's 2019 Power of Young Hollywood Party
If Austin Butler hadn't been tapped to play Elvis Presley on the big screen, we'd nominate Jughead Jones thanks to this white suit and perfectly coiffed 'do.
Ashleigh Murray at the Go Red for Women Red Dress Collection 2019 Event
The Kansas City native matched her hair, lips and gown for a fabulous all-red look that was on-theme with the American Heart Association's annual event.
Vanessa Morgan at the 2019 ‘InStyle’ and Warner Bros. Golden Globes After-Party
Southside Serpent Toni Topaz turned heads on the carpet in this eye-catching strapless Marc Bower gown and Jimmy Choo clutch.
Camila Mendes and Charles Melton at the 2019 Met Gala
For their first Met Gala, Mendes wore a yellow Prabal Gurung dress, while her then-boyfriend looked dashing in a Sies Marjan suit.
Charles Melton at a Screening of 'The Last Summer' in 2019
The actor saw the world through rose-colored glasses at a special screening of his Netflix film in Los Angeles. The shades put a unique spin on his outfit, which was made up of a black suit with white piping and partially unbuttoned white dress shirt.
KJ Apa at the 2019 'Teen Vogue' Young Hollywood Party
Apa is a star, and his cardigan proved it!
Cole Sprouse and Lili Reinhart at the 2019 Met Gala
The cute couple had the best time in their campy Met outfits. Both over-the-top styles were created by designer Salvatore Ferragamo.
Ashleigh Murray at The CW's Summer 2019 TCA Party
Riverdale's Josie McCoy looked radiant in a red slip dress. She accessorized with a metallic silver clutch and pointy pink stilettos.
Madelaine Petsch at the 2019 'Vanity Fair' Oscar Party
The ravishing redhead was an ethereal dream in this ruffled strapless gown by Paolo Sebastian.
Camila Mendes at the 8th Annual NFL Honors
It's no surprise that the Riverdale stunner often ends up on the best-dressed list! The beauty paired a red dress with red lips and sky-high black heels for this 2019 event.
Lili Reinhart and Cole Sprouse at the 2019 'Five Feet Apart' Los Angeles Premiere
The adorable duo, who appear to still be very much together, cozied up for a red carpet date night. Reinhart was spotted in a lace gown by Brock Collection, and Sprouse was her handsome arm candy in Givenchy.
Charles Melton at the 2018 'GQ' Men of the Year Party
This CW hunk -- who plays Archie's friend and rival, Reggie Mantle -- ditched his football uniform for a well-tailored, classic black suit.
Lili Reinhart at the 2018 Teen Choice Awards
The actress, who plays Betty Cooper on the CW series, paired her sequined, strapless magenta dress with pink mascara and matching neon shoes for a stunning pink carpet look.
Vanessa Morgan and Madelaine Petsch at the 2018 MTV Movie and TV Awards
That glow though! The Riverdale co-stars were literally shining in these shimmery, sequined styles. Morgan wore a low-cut red gown, while Petsch opted for a pink number.
KJ Apa at the 2018 Toronto International Film Festival
Spiked hair don’t care! The Kiwi actor donned a new 'do and all-cream tones for the carpet in Canada.
Cole Sprouse at the 2018 CW Network Upfront
The Teen Choice Award-winning actor was all smiles while promoting the CW drama in a black Hugo suit paired with a printed black tie.
Camila Mendes and Casey Cott at the 2018 SXSW Premiere of ‘First Light’
The co-stars color coordinated for an appearance together in Austin, Texas.
Mädchen Amick at the 2018 Creative Arts Emmy Awards
Betty and Polly's mom cleans up good! Here she stood out in a multi-colored lace gown and matching green clutch.
Skeet Ulrich at the 2018 Critics' Choice Awards
The leader of the Southside Serpents, F. P. Jones, looked sharp in a classic black suit.
Mark Consuelos at the 2018 'Vanity Fair' Oscar Party
He may be a bad guy when he's playing Hiram Lodge, but Consuelos looked good on the red carpet in a tuxedo and bow tie.
Madelaine Petsch at the 2018 Emmy Awards
Cheryl Blossom wore her beautiful hair down and rocked a green and gold Prada gown for the annual awards show.
Lili Reinhart at the 2018 'Glamour' Women of the Year Awards
The blonde beauty opted for a little black dress with a thigh-high slit while walking the red carpet in New York City.
Mark Consuelos and Marisol Nichols at Comic-Con International 2018
Consuelos and Nichols, who's known for her role as Hermione Lodge, kept it casual for Comic-Con. Consuelos donned a short-sleeve shirt and white slacks, and Nichols looked fine in florals and yellow heels.
Mädchen Amick at the 2018 White House Correspondents' Dinner
Alice Cooper is the editor of the local paper, and the actress who plays her made it all the way to the red carpet at the White House Correspondents' Dinner in a floor-length red gown.
Tiera Skovbye at the 2018 World Premiere of 'Midnight Sun'
Riverdale’s Polly Cooper poses for photographers in a plunging green number.
Lili Reinhart and Camila Mendes at ELLE's 2017 Women in Television Celebration
The co-stars made a perfect pair while attending this annual Elle event. Reinhart wore a Dennis Basso dress, while Mendes was sporting a look by J Mendel.
Vanessa Morgan, Madelaine Petsch and Camila Mendes at the 2018 Teen Choice Awards
Talk about a gorgeous trio! Morgan and Petsch both wore white two-pieces, while Mendes went with a light pink dress and matching heels.
Cole Sprouse at PaleyFest Los Angeles 2018
No one dresses quite like Jughead Jones, and the actor who played him definitely made a statement in this Bottega Veneta look.
Vanessa Morgan and Madelaine Petsch at Comic-Con 2018
The duo got giggly while catching up at Comic-Con International in San Diego. Morgan looked pretty in purple, while her co-star partnered a dark denim skirt with heels.
Casey Cott at the 2018 iHeartRadio Music Festival
Cott looked cool at the iHeartRadio Music Festival in a letter jacket and ripped jeans.
Skeet Ulrich at 2018 PaleyFest Los Angeles
Jughead's dad stepped out in all-black everything, and he looked good doing it!
Lili Reinhart at the 2018 'Glamour' Women of The Year Summit
The celeb channeled Betty Cooper in a floral frock and red cardigan.
Kelly Ripa and Mark Consuelos at the 2018 Academy Awards
The power couple looked wonderful in formalwear at the 2018 Oscars. Ripa wore a strapless Christian Siriano gown, and her hot hubby was at her side in a dark blue tux.
KJ Apa, Charles Melton and Casey Cott at the 2018 CW Network Upfront
We are totally here for this bromance! The trio had fans swooning in their suits.
Cole Sprouse and Lili Reinhart at the 2018 Met Gala
The duo made their red carpet debut as a couple at the 2018 Met Gala. The actress was among the best dress in her silver H&M gown, and Sprouse was an adorable date in his black tux and bow tie.
Skeet Ulrich and Mädchen Amick at Comic-Con 2018
The co-stars ditched the Riverdale drama for some fun at Comic-Con, where Ulrich rocked a black biker jacket and Amick was gorgeous in green.
Lili Reinhart at the 2017 iHeartRadio Music Festival
Hello, Tinker Bell! We’re totally obsessed with the star’s glittery, green mini dress.
Cole Sprouse and KJ Apa at the 2017 CW Upfront
We can't deal with how handsome these two were at this New York City event! Sprouse was in a Topman suit, while Apa opted for a more traditional suit with a polka dot tie.
Camila Mendes and Lili Reinhart at WonderCon 2017
Even when they're dressed down, these beautiful besties look glamorous! Mendes chose a striped crop top and black pants for WonderCon, and Reinhart had us seeing spots in this printed dress.
Casey Cott at the 2017 Tony Awards
The actor, who takes on Kevin Keller in the series, looked way too cute at Broadway's biggest night, where he sported a look by Brooks Brothers Red Fleece.
Vanessa Morgan at the 2017 MTV Video Music Awards
The Canadian actress showed a whole lot of leg in a low-cut black maxi dress that featured a sequined, long-sleeved bodice and two thigh-high slits. She paired the look with strappy mid-calf sandals and long, wavy pale pink-accented tresses.
Ashleigh Murray at the 2017 iHeartRadio Music Festival
The actress flaunted her toned tummy in a tropical crop top and skinny jeans.
KJ Apa at the 2017 American Music Awards
Swoon! The good-looking actor skipped a traditional suit for a more stylish alternative.