A hamster given a week to live has one final wish - to meet pop singer Rihanna. That's the plot line for The Harry Hill movie.
The big-collared comedian revealed that while writing the script he often thought "what wouldn't you expect to happen next".
The Harry Hill Movie also stars Oscar nominee Julie Walters, Matt Lucas and Inbetweeners star Simon Bird.
The stars of the film were talking to Newsbeat entertainment reporter Nesta McGregor.
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The Harry Hill Movie is in cinemas now.