A word of advice for publicists: If you're going to make up a phony romance for one of your clients, make sure she's in on the plot. Jessica Simpson's alleged love affair with singer John Mayer fell apart Tuesday as Simpson disavowed the relationship on The View. Simpson's after-the-fact denial—paired with Mayer's pooh-poohing of the claim on his blog—caused no small amount of consternation at People and Us Weekly, which splashed the story on their covers last week after receiving all-but-official assurances it was for real.