You promised-Louis Tomlinson fan fiction

Grace and Louis were soulmate from the first spark. Louis went away to the x- factor and 4 years past until they ever again. Grace's world was perfect units her world came crashing down and one big change occurred leaving her stranded in London where Louis just happened to live. 4 weeks after Louis and Eleanor his girl friend of 4 years broke up. Grace finds out her friend Louis lives in London and what happens then will change their worlds for the best and the for the worst.