Kim Kardashian's the pregnant one -- but her baby bro Rob Kardashian's also packing on the pounds ... big time! What's going on? We've got an in-house expert. Plus, Diane Lane files for divorce from Josh Brolin -- shocking almost everyone -- but there were definitely signs. We'll tell you what pushed Diane to pull the plug. And, the most insane video you'll ever see -- extreme skier Sverre Liliequist does a backflip as an AVALANCHE chases him down a mountain. Sverre calls in to explain why he didn't back out of the daring move ... despite death knocking at his door.