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If there's "One Thing" One Direction pop star Harry Styles might have to work on, it's balance.
Styles took a tumble onstage during Thursday night's One Direction concert in San Diego, California, where the boy band kicked off its North American tour.
Before you panic, Styles appears to be OK. From this next angle, it's clear he didn't fall into a bottomless pit, but rather onto a portion of the stage that had been obscured from the other fan's view.
Moments after the tumble, Styles told fans at the show, "Physically, I'm fine. Emotionally, I'm bruised. … If anyone had a video of that, just delete it!"
Unfortunately for Styles, his request was unlikely to be honored in the social-media age.
It wasn't long before Twitter users had a little fun with the pop star, with many using the hashtag #OhNoHarry to accompany jokes and visuals. Fans envisioned a flailing Styles surfing, doing the limbo, and holding a lantern in the forest, as one is wont to do.
On Friday, Styles seemed a bit more upbeat on Twitter, going so far as to call the previous night's concert the "Perfect way to start the tour."
The last few months have been tough for concert musicians and their perpetual battles against gravity. In May, U2 guitarist The Edge fell off the stage during the band's concert in Vancouver. Last month, Foo Fighters front man Dave Grohl fell off the stage in Sweden and broke his leg — but later returned to finish the set.
And Styles is far from the only boy-band member to go through this sort of thing. Twenty-five years ago, New Kids On The Block's Donnie Wahlberg fell through a trap door during a show, but recovered after a brief hospital stay.
Some One Direction fans might have expected the band to stumble in a more figurative sense: Thursday's show marked the band's first major American concert since member Zayn Malik quit the group in March.
Follow TODAY.com writer Chris Serico on Twitter.