Sometimes a diss is just a misunderstanding.
Joan was famous banned from NBC's The Tonight Show by Jay's predecessor, Johnny Carson, after she launched a rival show on FOX. During Jay's 20+ year late night run, Joan was never invited (though Jimmy Fallon eventually ask her back).
Melissa says she was dissed by Jay at event just months after Joan's death:
"My mother passed in September, and I was asked to speak at The Hollywood Reporter Women in Entertainment breakfast at the beginning of December, so it was very fresh … I walk in, and I'm standing, having a coffee in the reception area, and Jay…looks right at me, and looks away."
Melissa thought he would approach her and offer his condolences:
"It would have been closure, and it would have been the right thing to do."
In an EXCLUSIVE statement to PerezHilton.com, Jay's rep says it was all a misunderstanding: