WHAT IT’S ABOUT When single schoolteacher Lainy (Amy Schumer) accompanies her pregnant friend Kate (Jillian Bell) to a maternity-clothing shop, she spots a fake foam belly and gets an idea: Why not try it on and play make believe? Suddenly treated like a queen by the saleslady, Lainy decides to waddle into the street and keep the ruse going.

The comedian says the disorder is behind her 'puffier' face, yet the diagnosis was 'the greatest news imaginable'

In its middle-of-the-road way, it taps into Schumer's comedy of masochism more successfully than any film since "Trainwreck."