United Kingdom, April 15 -- Katy Perry is facing a police investigation into allegations she sexually assaulted actress Ruby Rose.

The Orange Is The New Black star, 40, went public with her claims against the 41-year-old singer in a series of posts on Threads on Sunday (12.04.26) alleging an incident took place at a Melbourne nightclub when she was in her 20s and Perry has since called the allegations "categorically false".

Now Victoria Police in Australia have confirmed they have opened an investigation, telling the Herald Sun newspaper: "[The Melbourne Sexual Offences and Child Abuse Investigation Team (SOCIT)] are investigating a historical sexual assault that occurred in Melbourne in 2010.

"Police have been told the incident occurr...