A 2017 lawsuit accused Singer of raping Cesar Sanchez-Guzman, then 17, at a yacht party. The director continues to deny any wrongdoing.
"When it comes to abuse by people in positions of power, the correct response is clear."
Four men have made accusations against him, though he has vehemently denied them.
He won for his portrayal of Queen's Freddie Mercury in Bohemian Rhapsody.
Bohemian Rhapsody's Replacement Director Addresses Bryan Singer Allegations, As Film Loses Out On Bafta Prize
It failed to pick up the award for Outstanding British Film.
It comes in light of sexual abuse allegations made against him.
Rami also noted that his own experience of working with the director was not a "pleasant" one.
The film director has been accused of sexually assaulting four men, which he denies.
One of the film's producers suggested the accusations were "agenda-driven fake news'.
'He will vehemently defend this lawsuit to the very end.'