Selfie-Destructive: Kim Kardashian & Kanye West Fighting Over Keeping North Off Camera — And Instagram!

Kim Kardashian has built an empire on selfies! But Kanye West is fed up with the famous mama always having a cell phone in baby North's face, and RadarOnline.com has learned they're fighting over whether to keep their daughter off camera.

"It's the biggest parenting argument they have and now it's turned into war," a source told RadarOnline.com exclusively. "Kanye wants to keep North away from all screens – cellphones, tablets and big TVs – because he's convinced the electronics are bad for her."

The protective daddy has been known to break cameras, and has been vocal about his desire to let North grow up without being on camera constantly, but this time, the source claims his concern is based on a fear for her physical safety rather than just her emotional well-being.

He's so serious about keeping her safe from harmful radiation, "He even insists everyone leave their phones at the door when entering the nursery!" the insider told RadarOnline.com.

Is Kardashian buying it? "Kim thinks the threat of radiation is total rubbish and has spent hours digging up links that prove it's not true," the source reveals.

But true to form, West isn't giving up without a fight. "Kanye does NOT like it when Kim encourages North with selfies," the source explained. "He hit the roof when she boasted about it online. It totally undermines him."