What do high ponytails, half-up hairstyles and black winged eyeliner have in common? They're the signatures that Ariana Grande almost never leaves the house without. But she didn't always have ...

The reality star battling ovarian cancer hunts for the best wigs at the best prices In her PEOPLE.com blog, Diem Brown, the Real ... even wear your hair up in a ponytail, which is kind of unreal ...