What’s the opposite of warts-n-all? ‘No warts’ doesn’t even begin to describe Morgan Spurlock’s fly-on-the-wall film about One Direction. No warts, no acne – there’s not even a pimple on the butt of this on-tour portrait of the reality-bred boy popsters.

The filmmakers’ intent to depict them as “normal guys” mostly succeeds, primarily due to their not inconsiderable charm.

1D in 3D: the closest thing to a Shine A Light for Directioners.

Curveballs are rare in this pop-umentary on Earth’s biggest boyband; but with lengthy gig clips, lots of cute mucking-about (segways, disguises, hiding in wheelie bins) and Harry’s shirt off within the first 10 minutes, Directioners won’t be disappointed.

The director is known for visually quirky choices and offbeat interviews and asides. These techniques can be a mixed bag; sometimes they help lighten up a deadly serious segment, other times they seems silly. But it’s distinctive, and “This Is Us” could have used more of it.