My Mess Is a Bit of a Life: Adventures in Anxiety,” which also includes the time she worked on “Spice World: The Movie” starring the Spice Girls.The “Shrink Next Door” writer said she’s proud to have defused a bitter feud between Melanie Brown and the rest of the gals over Scary Spice’s refusal to wait for the others when they all went to the bathroom together.“It was like being one of those blue-helmeted people who go into war zones… a peacekeeper,” she revealed. “I’d like to think my legacy if nothing else is that the Spice Girls movie continued filming.