Are Kim Kardashian and Kris Humphries Divorcing?

Rumors are flying that Kim Kardashian and Kris Humphries are splitting, after just 3 months of marriage. The story was splashed on the front page of two tabloids recently. Is it true? Or is it just yet another publicity stunt? This article says the couple denies having any problems. One has to wonder how often celebrity couples split up from the stress of people wondering if they are splitting up.