Instagram/Ruby Rose & Katy Perry Celebrity Australian police investigate Ruby Rose's sexual assault allegation against Katy Perry from a 2010 Melbourne nightclub incident. April 17, 2026 AceShowbiz - Australian law enforcement authorities are currently investigating a sexual assault allegation made by Ruby Rose against singer Katy Perry. The claim concerns an incident that allegedly occurred at a Melbourne nightclub in 2010. The Victoria Police confirmed that detectives from the Melbourne Sexual Offences and Child Abuse Investigation Team have launched an official inquiry.