Succession actor adds to the Golden Globe and Bafta he had already won for his performance in Jesse Eisenberg’s serio-comic film

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Kieran Culkin has won the best supporting actor Oscar in Hollywood for his work in A Real Pain.

Culkin, 42, was the favourite for the prize, having taken almost all of the equivalent awards in the run-up to the Oscars, including a Golden Globe, Bafta and Screen Actors Guild award.