Just a Joke (Sweeney/POTC crossover fanfic) 

Jack's sister, who just happens to be an all-powerful being, ropes him into playing a massive joke on London by becoming our favorite homicidal barber. Mishaps, mayhem, a little bit of love and tight gold pants are sure to ensue.JackxLovett
Keywords: fanfiction, sweeney todd, crossover, potc, jack sparrow, fanfic