In the weeks and months that follow, more letters from Gerry are delivered in surprising ways, each sending her on a new adventure and each signing off in the same way; P.S. I Love You.

And each one, signed PS, I Love You, contains instructions that he hopes will help Holly come to terms with her grief and move on. Speaking about the sequel with Stylist, Ahern explains ...

But when John Ambrose, another recipient of one of Lara Jean's old love letters, enters her life again she must rely on herself more than ever as she's confronted with her first real dilemma ...