So much passion.

It's been a while since we've seen One Direction in their touring outfits, but now that the boys have skipped across the seas to join Big Time Rush on tour, the red, white and blue togs have come back out - and so have the intense faces.

(Further reading: The Intense Tour Faces Of Louis Tomlinson)

louis tomlinson from one direction on tour in canada

One Direction opened up for Big Time Rush at The Air Canada theatre in Toronto, and Louis wasn't the only one getting his scrunch on.

harry styles from one direction on stage in canada

Click next to see our pick of the snaps of the other boys, and a bit more from Louis and Harry. Hurrah!