This is weak on Ray J's part. He's irrelevant, so he's trying to get some shine off of her fame. She moved on to better, while he's banged who? A drug-addled Whitney Houston? As a man, he should be embarrassed. And he didn't hit it first - wasn't Kim married briefly before Ray J got her?
"The best kind of pride is that which compels a man to do his best when no one is watching."