Katy Perry’s latest real-estate courtroom circus has pregnancy mix-ups, Trudeau gossip, and an 85-year-old foe

A lawyer asked Katy Perry on Tuesday whether she stood to gain money or anything else from a trial in a long legal fight over a California mansion. “Justice” was the one-word answer from the singing superstar, former “American Idol” judge and recent astronaut, part of an hour of remote testimony…