Kelly Osbourne has been arrested for slapping a woman who insulted her boyfriend.
The Radio 1 DJ reportedly hit gossip columnist Zoe Griffin in London's Punk nightclub after Griffin joked that model Luke Worrall did not know what an earthquake was.
"Kelly shouted loudly in my ear, 'I have an issue with you. Everyone has been laughing at my boyfriend.' Then I felt a hard slap," said Griffin.
Osbourne, 24, voluntarily attended a London police station earlier this month, where she was bailed until March.
A Metropolitan Police spokesperson said: "We can confirm a 24-year-old woman attended a central London police [station] by appointment on 2 January.
"She was arrested for common assault relating to an alleged incident in Soho in the early hours of August 29, 2008. She has been bailed until a date in March."
Osbourne has been dating 19-year-old Worrall since May last year. In November, she sparked speculation that the pair would marry when she changed her Facebook status to 'engaged'.