Ballet flat shoes—those thin-heeled lightweight slip-on shoes—are making a fashion comeback. And it's not hard to see why: they're versatile, easy to wear, soft, flexible and often worn by celebrities ...

Love it or hate it, the ballet flat’s big comeback is still very much underway. But for my fellow millennials that spent the aughts abusing our feet running around in paper-thin ballerinas (ah, youth) ...