Lily Allen has been arrested for allegedly trying to karate kick a photographer.The 'Smile' singer was formally arrested and questioned by police yesterday over allegations she launched a Kung Fu attack outside a London nightclub in March. Lily arrived at London's West End Central police station with her solicitor. She had her photograph taken and gave a DNA sample before being bailed. A police spokesman said: "A 21-year-old woman attended the station by appointment."She was arrested in connection with an allegation of assault and bailed to return in July."Lily allegedly tried to kick photographer Kevin Rush and punch another lensman outside a Soho nightspot on March 12. Rush, who made a complaint to police, said: "She went berserk."Meanwhile, Lily has been having erotic dreams about other women.The star, who is currently dating DJ Seb Chew, is starting to think she could be "gay". Lily said: "I have been having a lot of lesbian dreams lately. I think I might be gay! Don't tell my boyfriend."I have guy dreams and girl dreams, but the girl dreams are much dirtier."