Well, well, well… it's time for the scarves to come off. As the work-in-progress presentation of the Marilyn musical finally sees the light of day, Julia begins to wonder if having a catastrophic affair that brings emotional stress to your teenage son and potentially destroys both your marriage and career is, in some ways, different to a high school show crush. And the arrival of Bernadette Peters (no, really) as Ivy's mother prompts Ali and Olly to speculate who else may have cameoed in future seasons; some of the answers may surprise you.