When a girl ends up falling for her best friend's boyfriend, things get awkward. Emily has had a crush on Harry Styles for the longest time, but her best friend, Amber doesn't know. So when Amber brings up the news of her and Harry going out, Emily feels hurt. But Emily has her other best friend named Louis Tomlinson to comfort her. Louis has a crush on Amber, and Emily knows. Louis also knows how Emily likes Harry. What will happen if Amber finds out about Emily's crush? Will she freak out? Or will she be cool about it? And will Louis admit his feelings to Amber? Find out by reading 'Best Friend's Boyfriend'