Did Jennifer Aniston Cheat on Brad Pitt With Matt LeBlanc? Paul revealed some serious stuff about his son Matt and stated the facts about who was banging whom during Friends. Paul claims that Matt was fooling around with Jennifer Aniston while she was married to Brad Pitt.He went ahead and said on Aniston that “He even had a relationship with one of the girls… Jen. They would make out in the dressing rooms. He told me about it. It was when she was married to Brad Pitt….Matt goes after dirt bags.”He is also said to have made some more comments about Matt’s other interests..This is a serious one, although Jennifer’s rep has said that this is mere gossip. So, this is an interesting story!