Say You Won't Let Go James Arthur Download 'Say You Won't Let Go' on iTunes
Watch the moment Justin Bieber stacks it down a flight of stairs at a recent gig.
The 'Boyfriend' star was performing live in Winnipeg, Canada alongside Carly Rae Jepsen when he tripped.
The pair met from either end of the stage and began walking hand in hand down the stairs when Justin lost his footing.
Check it out below in real time...
...and super slow motion.