Brite Lites (Larry Stylinson AU)

When Harry disappears out of Louis' life and the medias eye, Louis is broken and confused and maybe looks at gossip magazines a little too much. But when Harry's face finally finds it's way on the front covers, he's not alone. Fueled by heartbreak, Louis throws himself into the fashion industry and straight into the spotlight with a vengeance, finding some and losing some in his mission to sabotage his not quite husband of three years.

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Or the one where Harry leaves and Louis becomes a model and just wants him to hurt as much as he does.