I kept my leggings for yoga and running and wore regular trousers for hiking. Fortunately, over the past couple of years, ...

Chic celebrities and fashion people have been wearing them with trendy flat shoes instead. Hailey Bieber was a notable recent example of this when she paired her leggings with elastic-strap ballet ...

But leaving a pilates class in L.A. over the weekend, Bieber wore her black ankle-length leggings with a flat shoe trend that made her outfit look far prettier than sneakers would have ...