Why Aren't One Direction's Girlfriends in This Is Us | Video

This Is Us Director on Why One Direction's Girlfriends Aren't in the Film!

We were wondering why none of One Direction's girlfriends, past and present, made it into their new documentary This Is Us – so we got the inside scoop from director Morgan Spurlock! Morgan also explains how Harry Styles, Niall Horan, and Louis Tomlinson helped pick the moments we see onscreen and why he thinks Louis is the "union boss" of the world's biggest boy band.

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