Best & Worst comedy sequels: 'Austin Powers', 'The Hangover', more

With rumblings of a sequel to The Inbetweeners Movie and Bobby Farrelly revealing the plot to the planned Dumb and Dumber follow-up, we've been casting our mind back over the good and bad of comedy movie number 2s.

For every gut-buster like Austin Powers: The Spy Who Shagged Me there's a flatlining second instalment that doesn't live up to its predecessor.

Digital Spy takes a look at the best and worst of comedy sequels below...