Here's why you shouldn't download that viral celebrity lookalike app

A mysterious Kardashian-endorsed selfie app exploded onto the App Store charts last week. Now, users are complaining about big credit card charges — and shady imposters are vying for a piece of the action. 

If you’re not already familiar, the app is called Gradient, and it's been dominating social media thanks to its celebrity "look like" feature, which compares your selfies to photos of celebrities.

The app quickly achieved viral meme status thanks to endorsements from the Kardashian clan and other celebrities who've eagerly shared their own celeb doppelgängers. 

But you might want to think twice before you download it.  Read more...