The actress wore a white and blue sweater vest over a white short-sleeved t-shirt ... Hina Khan paired her peppy green sweater vest with a button-down white shirt with half-rolled sleeves.

Oft associated with white button-downs ... he typically wears it under a sweater so only the neck peeks out. Of course, you can wear the vest over a sweater, too, “and that’s how most people ...

The preppy fashion trend shows no signs of slowing down, though there's ... at Nordstrom! 7. Button Up! Wear this Rails button-up sweater vest on its own paired with a skirt and knee-high boots.