Ponytails are the plain white t-shirts of the hair world. The most casual version is great for the gym (or super-sweaty summer days); a sophisticated and sleek version is perfect for work; and with ...

"Athleisure is a huge trend with celebs right now and these gym-inspired hairstyles are perfect because they hold up during a workout and can be easily taken from the gym to the streets," said Suzie.

Thanks to the rise of athleisure and the off-duty-model-as-street-style-star phenomenon, gym buns have gone from functional necessity to a style that enjoys unassailable levels of lived-in chic. But ...

The cool girl designer's show was all about sporty hair and candy-colored eyes. Just like that, New York Fashion Week is upon us again—and it's like looking into a crystal ball for trends set to take ...