Viola Davis paid tribute to her late Ma Rainey's Black Bottom co-star Chadwick Boseman on the Oscars red carpet, describing him as "authenticity on steroids".

Boseman, who lost his battle with cancer last August, was posthumously nominated for Best Actor at this year's Academy Awards, with Davis nominated for Best Actress for her work on the music drama.

When asked by E! about "the love" shown to Boseman throughout awards season, Davis replied: "It feels right, only because I know him. It's like I said before, he was authenticity on steroids."

Chadwick Boseman as Levee in Ma Rainey's Black Bottom

"You know, sometimes people honour people who actually were not really nice [laughs], where really the persona did not match the real person," she continued.

"This, it matches the person, I'm telling you. This person, this human being, this artist did not mistake his presence for the event. He absolutely honoured the work.

"A lot of people enter this business because they want to be famous actors. They don't want to be actors; they want to be famous actors. He entered it because he just wanted to be an artist."

You can watch all the action from the 93rd Academy Awards on RTÉ2 and RTÉ Player from 9:35pm tonight.

Click here for a full list of winners from the Oscars 2021