News: Ke$ha Has Rainbow Hair; Go Behind the Scenes with Rihanna and MAC

Wendy Rodewald

Ke$ha's new rainbow hair

Ke$ha has new rainbow hair, and we must admit, it’s kind of pretty. [Instagram]

See behind-the-scenes photos from Rihanna‘s campaign for her new RiRi Hearts MAC collection, which hits stores today. [InStyle]

These bob haircuts are on-trend for fall. [Beauty High]

Useful! Learn how not to get blisters — and what to do if you already have one. [SheFinds]

Is your hair looking a little dull? Here’s what you’re doing wrong. [PopSugar Beauty]