Mary-Kate Olsen—who, along with twin sister Ashley Olsen—prefers to stay out of the public eye, stepped out for a casual ...

Mary-Kate Olsen was spotted in the Hamptons rocking a dressed-down look featuring a graphic tee, sweatpants and sandals during a rare public outing ...

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

It’s not what you wear, it’s how you wear it. Amid the ever-gaudier displays of wealth among the moneyed elite of New York, Mary-Kate Olsen has drawn a line in the sand, literally, stepping out onto ...

Mary-Kate Olsen is known for the clean-cut silhouettes epitomized by her brand, The Row. However, over the weekend, the designer deviated from her signature sleek style with a surprising ensemble.

Mary-Kate Olsen was spotted in the Hamptons on a rare outing wearing sweatpants. The former child star is notoriously private ...

This Sunday the co-founder of the Row stepped out in the Hamptons in an off-duty fit that took a style cue from our favorite ...

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 was spotted looking ultra-dressed down while out in the Hamptons on Sunday. The actress-turned-designer, 39, wore black sweatpants and an oversized white T-shirt.

Mary-Kate Olsen demonstrated exactly where The Row’s flip-flops should be worn: on a lavender-scented grocery run in the ...