Jessie Buckley won Best Actress for her portrayal of Agnes in Hamnet, marking the first time an Irish actor has received the award.
The film explores the grief of William Shakespeare and his wife after the death of their son Hamnet, imagining its connection to the creation of Hamlet.
Buckley capped a dominant awards season with the Oscar after winning major honours at the SAG Awards, BAFTAs, Critics Choice Awards and Golden Globes.
