Luke hemmings from the famous band 5 seconds of summer may or may not be falling head over heels for his bestfriend and band mate Calum hood.. okay let's be serious, he's falling and he's falling hard. the where we are tour with one direction has just got started up, first up is Croke park in Dublin, Ireland. they have thousands of girls screaming their names and thousands more at home on twitter. but when calum does something that takes luke by surprise, will lukes reaction give away these feelings towards his best mate? or will it slip by unoticed?