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The 20-year-old flung himself off a cliff into deep water as part of the adrenaline-seeking craze, and in doing so, ruptured his eardrum.

Now the singer might need to have an operation to nurse him back to health.

Justin tweeted: "Busted my ear drum cliff diving. Doc says might need surgery now. Sucks.

"My ear drum might back us up a little but I'm still bringing you this new music. Much love. Damn u cliff diving!"

Needless to say, Justin's loyal network of Beliebers went into meltdown mode, and the hashtag #FeelBetterJustin immediately started trending.

Messages from upset fans included: "Crying and worried we want you back soon" and "We'll pray for ya ma babe!!!! Don't worry about us right now just recovery ok? We are here for u!"

Another devoted Belieber added: "We care so much about you, so you go get that ear drum fixed and it'll all be alright. Love you."

However, while the fans were freaking out about their idol possibly going under anaesthetic, surgery is only needed for a ruptured eardrum in severe cases. Usually, the injury will heal itself over a few months if protected properly.

The Baby singer has been seen tombstoning, or cliff-diving, before, after he was pictured flinging himself off a cliff in Hawaii last year.

But the star should count himself lucky that he got away with just an eardrum injury.

Over 20 people are thought to have been killed over the past decade in tombstoning accidents.