Mad About the Boy' star Hugh Grant poked fun at Colin Firth during a recent appearance on 'Late Night with Seth Meyers.'

The Bridget Jones 4 trailer has landed, starring Renée Zellweger, Colin Firth and Hugh Grant in Bridget Jones: Mad About the Boy.

Mad About the Boy also marks the return of Dame Emma Thompson as Dr Rawlings, as well as Jim Broadbent and Gemma Jones as Bridget's parents. But the film will also introduce new characters like Leo Woodall's Roxster and Chiwetel Ejiofor, who will play the role of the headteacher of Bridget's children.