by Leyla MohammedBuzzFeedBuzzFeed StaffAs a Celebrity Reporter, I cover everything from fashion and award shows to TV, film, and cultural conversations. This post discusses allegations of sexual assault. It has been reported that police are officially investigating claims made by Ruby Rose against Katy Perry. Mondadori Portfolio / Getty Images Earlier this week, the Australian actor alleged in a string of Threads posts that she'd previously been sexually assaulted by Katy in a nightclub in Melbourne, Australia. (Katy's rep vehemently denied the allegations.