Justin Bieber "might need surgery" after bursting his eardrum.

The 20-year-old pop star may require an operation to repair the perforated tissue in his ear after he damaged it by leaping off a cliff, which is known as "tombstoning."

Taking to his Twitter account last night, he tweeted: "Busted my ear drum cliff diving. Doc says might need surgery now. Sucks. (sic)."

However, the 'Baby' hitmaker, who has recently rekindled his romance with on/off girlfriend Selena Gomez, believes the painful injury may delay the release of his upcoming music but he's adamant it won't cause any long-term issues with his career.

He reassured fans an hour later: "My ear drum might back us up a little but I'm still bringing you this new music. Much love. Damn u cliff diving! (sic)."