Summer Outfit Ideas: Gen Z vs Millennial Style (2026)

Summer fashion is a time for experimentation, and the Gen Z It-girls are leading the way with their unique and eclectic styles. From Hailey Bieber's minimalist yet fashion-forward aesthetic to Iris Law's bold and whimsical looks, these young influencers are setting trends and inspiring us to step out of our comfort zones. Whether you lean more towards Gen Z or Millennial, these 9 It-girl summer outfits are a must-see for anyone in need of a style refresh.

Hailey Bieber: Minimalism Meets Fashion-Forward

Hailey Bieber is a style chameleon, effortlessly blending minimalism with fashion-forward trends. Her summer outfits feature a mix of floral appliqué dresses, capris, and pointelle tees, all paired with classic and streamlined shoes like The Row City flip flops. For those looking to recreate her look, the Reformation Naira mini dress and The Row City flip flops are excellent choices. Additionally, Hailey's love for accessories is evident with her Pandora round huggie hoop earrings, adding a touch of glamour to any outfit.

Iris Law: Eclectic and Whimsical

As the quintessential London It Girl, Iris Law's summer outfits are a testament to her unique style. She blends unexpected textures with eclectic prints and kitschy accessories, making her looks both bold and whimsical. The DÔEN Patience dress and Rat & Boa Clio bikini top are perfect for those who want to channel her effortless cool. And for a touch of luxury, the Chanel 22 leather handbag is an iconic accessory that Iris herself carries.

Devon Lee Carlson: Playful and Kitchy

Devon Lee Carlson's summer style is all about playful and kitchy pieces that exude charm. Her recent look in Rome, featuring a gingham skirt, peep-toe heels, and a 3/4 length t-shirt, is a perfect example of her signature style. To achieve a similar look, try the Free People Lucy layering top and MUNTHE Lakenna, styled on the waist for a stylish twist. And don't forget the MANGO kitten-heel sandals with straps, a must-have for this summer's shoe trends.

Olivia Rodrigo: 2000s WAG Revival

Olivia Rodrigo's style has been making waves, especially with her love for babydoll dresses. On the press tour for her latest album, she channeled her inner 2000s WAG in an FC Barcelona top and low-rise True Religion jeans. As the World Cup approaches, this look is a must-see for any stylish fashion fan. To recreate her outfit, try the adidas performance Spain 26 Home Cropped Jersey and True Religion Joey Low Rise Flare Jeans, styled with pointed-toe boots and a blouse for a casual, boho vibe.

Alex Consani: 90s Supermodel Energy

Alex Consani's summer style is a nod to the 90s supermodels with her love for structural cuts and fashion-forward detailing. Her recent outfit in Paris, featuring balloon trousers, a loose shirt, and peep-toe heels, is a must-try. To achieve a similar look, the With Nothing Underneath The Oversized Oxford shirt and Free People Moonflower balloon trousers are excellent choices. And for footwear, the Mango x Kaia Gerber 100% leather heeled slingback sandals are a simple yet stylish option.

Sabrina Carpenter: Vintage and Sparkling

Sabrina Carpenter's style is a mix of vintage and sparkle, with a touch of Madonna and Barry Keoghan. Her tour wardrobe features drop waists, mini dresses, tall heels, and lots of sparkle, but her downtime style is just as impressive. To channel her look, try the Cou Cou Intimates The Rina long sleeve t-shirt and Agolde Slung Baggy wide-leg denim jeans. And for footwear, the TOMMY HILFIGER Monogram charm leather ballerinas are a comfortable and stylish choice.

Billie Eilish: Anti-Trend with a Twist

Billie Eilish's summer style might not be for everyone, but her unique approach to fashion is commendable. Her layered tees and oversized silhouettes are a signature of her style, and her recent press junket look features a mix of witchy Prada pumps and knee-grazing pleated skirts with stockings. To recreate her look, try the Polo Ralph Lauren Original Fit mesh polo shirt layered over a white long sleeve t-shirt and Fred Perry Tape detail logo pleated midi tennis skirt. And for footwear, the Prada leather slingback pumps are a sleek and wearable option.

Kylie Jenner: Body-Con and Colorful

Kylie Jenner's summer style has evolved from skinny jeans and logo-mania to body-con separates and a cute color palette. Her casual weekend look features yellow jeans, a white tank top, and Maison Margiela tabi split-toe leather ballet flats, a fun alternative to sneakers. To recreate her outfit, try the COS Ribbed cotton tank top, HAIKURE Bethany mid-rise wide-leg jeans, and Maison Margiela Tabi split-toe leather ballerina shoes, a simple yet stylish option.

These 9 It-girl summer outfits are a testament to the diverse and inspiring styles of Gen Z influencers. From Hailey Bieber's minimalist chic to Billie Eilish's anti-trend approach, these looks are sure to spark creativity and confidence this summer.

Summer Outfit Ideas: Gen Z vs Millennial Style (2026)

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