The superstar is launching her bestselling brand at the beauty retailer with in-store hair treatments and weekly events.

Why We Love It: The Shark SmoothStyle works as a two-in-one blow dryer brush and hot tool. Not only does it dry your hair in a few passes, but it can also be used to touch up your blowout when it’s ...

The Kérastase ambassador discusses how she’s handling the chop heard ‘round the world and why she could have skipped sleeping ...