Harry clumsily tumbles to the stage - but you know Harry, he laughs it off and keeps on going. What else can you do, really?
On the other end of the falling spectrum, Liam decided to have a little deliberate fun and did a belly flop into a puddle that had formed on stage. Check out the video of that move.
Later he tweeted: "Great gig Sunderland my clothes are soaked god damn rain !!!! We still had fun right?"