Jon Gosselin from Jon and Kate Plus 8 Caught with another woman!

There's been rumors swirling about Jon Gosselin's fidelity for months now. He was caught partying with college co-eds a few months ago and caught leaving a bar at 2:30am with a 23 year old woman, Deanna Hummel,  last month! Deanna claimed they were "just friends" but now her brother has revealed to Us Weekly that his sis and Jon have been having a full blown affair since the beginning of the year. Here's Jon and Deanna spending time together while she sunbathed at his house a few weeks ago and Jon leaving his "just friends'" house at 7:30 in the morning!  Hmmmm, something's not right ......