Renée Zellweger’s Bridget faces new challenges in parenting and love, but it’s the familiar faces around her who deliver heart and humour in this unexpectedly poignant fourth outing

There is something rather affecting about growing up and growing older alongside a fictional character. Particularly when, unlike the aspiration Barbies of Sex and the City, that character is permitted to show the inevitable wear-and-tear of being a middle-aged mum of two. Checking in with familiar faces – Jesse and Céline from Richard Linklater’s Before movies, for example; or in this case, Bridget Jones and her disreputable band of booze buddies – feels somehow more cherishable when those faces reflect the same rough patches and tough times we all endure.

It has been nearly a quarter of a century since Renée Zellweger first stumbled on to our screens as the gauche, accident-prone klutz Bridget Jones. And, in common with the core friendships that define us,...