Hailey Bieber went out for lunch in New York City wearing polka-dot capri pants, kitten heel flip-flops, and a black tank top ...

Utilizing groundbreaking tech, this could be the best-fitting flip-flop you’ll ever own — seriously. These feet-hugging flip flops are based on a Japanese style that dates back to the 15th century.

Pairing with everything from sleek and minimalist ’90s-style flip-flops to heeled thong sandals, these are the nine best flip-flop outfits to wear now.

Take your flip-flop outfit to a new level by slipping into a pair of red-hot Havaianas. The under-$20 staple has long been a fashion favorite, worn both on and off the beach.

RTW Egyptian label Rigash is bringing the delicate flower to life in an elegant leather flip-flop with a 3D flower accessory.

There's no denying flip flops are this summer's biggest sandal trend. Click here to shop the look now, from classic Havaianas ...