Mary-Kate Olsen, the co-founder of the coveted label The Row, looked very different in a rare outing in the Hamptons – see pictures.

Mary-Kate Olsen is keeping things casual in the Hamptons. On Sunday, June 29, the fashion designer, 39, was spotted making a ...

Mary-Kate Olsen traded her high feels for flip-flops in a recent rare outing. Olsen, 39, was photographed out in nature while ...

Mary-Kate Olsen traded her high feels for flip-flops in a recent rare outing. Olsen, 39, was photographed out in nature while in the Hamptons on Sunday, June 29.

Mary-Kate and her twin sister, Ashley Olsen, have been household names since 1987 when they were both cast as baby Michelle Tanner on Full House. After eight seasons playing the pint-sized Tanner ...

T here are few people in fashion who do things quite so well as Mary-Kate Olsen (and her twin sister Ashley, of course). The duo behind The Row, one of the world's most coveted and beloved brands ...

Mary-Kate Olsen was spotted out in the Hamptons, looking casual in an oversized tee and sweatpants while at a local farm on Sunday, June 29.