9 Summer Outfit Ideas Inspired by Gen Z & Millennial It-Girls | Fashion Trends 2026 (2026)

Summer fashion is all about embracing the Gen Z style icons who are dominating the industry right now. From Hailey Bieber's minimalist yet fashion-forward aesthetic to Iris Law's eclectic and bold looks, these It-Girls are setting trends and inspiring us with their unique and stylish summer outfits. Whether you lean more towards Gen Z or Millennial, these 9 It-Girl summer outfits are a must-see for anyone looking for a dash of seasonal outfit inspiration.

Hailey Bieber

Hailey Bieber's style is a perfect blend of minimalism and fashion-forwardness. From floral appliqué dresses to capris and pointelle tees, her summer outfit rotation is a mix of classic and trendy pieces. The perfect finishing touch to her looks is her love for The Row City flip flops, which are streamlined and chic. If you're looking to recreate Hailey's style, try the Reformation Naira mini dress, which has a similar silhouette to her De La Vali dress, and the The Row City flip flops, which are a favorite among the coolest celebs.

Iris Law

As the quintessential London It Girl, Iris Law's summer outfits are a mix of unexpected textures, eclectic prints, and kitschy accessories. Her unique brand of worldly whimsy is reflected in her bold summer outfits, which feature a mix of a pinstriped mini skirt with a fitted, hooded top, and layering a pretty broderie mini over a lilac bikini. If you're a fan of pretty classics, the DÔEN Patience dress might just be your perfect match, and the Rat & Boa Clio Bikini Top is a must-have for any summer wardrobe.

Devon Lee Carlson

Devon Lee Carlson's summer style is all about playful, kitchy pieces, which are perfect for the Gen-Z style set. Her recent look in Rome, featuring a gingham skirt, peep-toe heels, and a 3/4 length t-shirt, is a charming and stylish ensemble that is likely to be replicated this summer. If you want to achieve Devon's look, try the Free People Lucy Layering Top, which comes in five summer-ready colorways, and the MUNTHE Lakenna, which can be styled on the waist to achieve a similar effect.

Olivia Rodrigo

Olivia Rodrigo's style is all about channeling her innermost 2000's WAG, with a mix of FC Barcelona tops and low-rise True Religion jeans. With the World Cup just around the corner, this look is a must-see for any stylish fashion fan. If you want to recreate Olivia's look, try the adidas performance Spain 26 Home Cropped Jersey, the True Religion Joey Low Rise Flare Jeans, and the Massimo Dutti Leather High Heel Ankle Boots, which are both stylish and comfortable.

Alex Consani

Alex Consani's summer style is all about a mix of structural cuts and fashion-forward detailing, with a touch of 90s supermodel energy. Her recent balloon trousers, loose shirt, and peep-toe heels combination during a Parisian excursion is a must-see for anyone looking for a chic summer outfit. If you want to recreate Alex's look, try the With Nothing Underneath The Oversized Oxford shirt, the Free People Moonflower Balloon Trousers, and the Mango x Kaia Gerber 100% Leather Heeled Slingback, which are simple yet stylish.

Sabrina Carpenter

Sabrina Carpenter's style is all about drop waists, mini dresses, tall heels, and lots of sparkle, but her well-deserved downtime in t-shirts, loose jeans, and ballet flats is also a must-see. If you want to recreate Sabrina's look, try the Cou Cou Intimates The Rina Long Sleeve t-shirt, the Agolde Slung Baggy Wide-Leg Denim Jeans, and the TOMMY HILFIGER Monogram Charm Leather Ballerinas, which are both comfortable and stylish.

Billie Eilish

Billie Eilish's style is all about being unapologetically herself, with a mix of layered tees and oversized silhouettes. Her look at her press junket for the Billie Eilish: Hit Me Hard and Soft - The Tour movie is a mix of divisive, witchy Prada pumps and knee-grazing pleated skirts with stockings. If you want to recreate Billie's look, try the Polo Ralph Lauren Original Fit Mesh Polo Shirt, the Fred Perry Tape Detail Logo Pleated Midi Tennis Skirt, and the Prada Leather Slingback Pumps, which are both sleek and wearable.

Kylie Jenner

Kylie Jenner's style is all about body-con separates and a cute color palette. Her summer style is a mix of yellow jeans, white tank tops, and Maison Margiela ballet flats, which are more fun than trainers. If you want to recreate Kylie's look, try the COS Ribbed Cotton Tank Top, the HAIKURE Bethany Mid-Rise Wide-Leg Jeans, and the Maison Margiela Tabi Split-Toe Leather Ballerina Shoes, which are both dopamine-inducing and stylish.

9 Summer Outfit Ideas Inspired by Gen Z & Millennial It-Girls | Fashion Trends 2026 (2026)
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