Lily Allen is being investigated by police for an alleged violent assault on a photographer.
The 22-year-old daughter singer faces arrest after being accused of punching a man in the face in an unprovoked attack.
It is claimed Allen's gold sovereign ring cut into his face, leaving an imprint.
Detectives are now planning to quiz her about the incident.
Lily has been given a week to report to a police station or face arrest on suspicion of causing actual bodily harm. The charge can mean a prison sentence of up to five years.
The incident took place in March after Allen left a party - she suddenly turned on Mr Rush, who was standing among a group of photographers.
Mr Rush, 47, said yesterday: "She hit me even though I had put my camera down. I turned to the right and she hit me in the face. She was saying to us beforehand: 'You all want me to do something, don't you?' and she attacked me after that."
"My nose was bleeding but I didn't realise until someone pointed it out. I was just so stunned, I could not believe it. I could not understand why she thought she should be allowed to do that. If I had punched someone I would be in trouble so why shouldn't a celebrity?"Mr Rush, called police after the incident but Allen had already disappeared with her boyfriend Seb Chew adds the Daily Mail.