Miu Miu has been a mainstay on Rihanna 's shoe rack for nearly two decades. But this week, she finally sampled the Italian label's four-year-old collaboration with New Balance , one of her signature shoe brands back in the day. But the New Balance x Miu Miu sneakers aren't like any silhouette on their respective shelves.

On November 8, two years after Miu Miu and New Balance introduced the slim, slip-on sneakers, the star went shopping in the suede beige It shoes, which twisted New Balance's best-selling 530 trainers into backless slides. She wore them with a pale pink button-down, a classic trench coat , and brown bottoms. The contrasting ivory, forest green, and chocolate-colored laces made the low-profile pair stand out, even before the cut-out backs revealed themselves.

On Nov.…