Zellweger's ideas for third Bridget Jones movie

Renee Zellweger has a great idea for a third 'Bridget Jones's Diary' movie, and will play the singleton on the big screen again - as long as she doesn't have to pile on the weight.

The actress has padded out to play Helen Fielding's literary heroine in two movies to date, winning over cinema audiences and critics alike with her portrayal of the unlucky-in-love Brit.