Proud sibling Macaulay Culkin is not at all surprised that his younger brother, Kieran Culkin, won his first Oscar at the 2025 Academy Awards. Speaking to host Tan France on the red carpet of Vanity Fair 's annual Oscars afterparty in Los Angeles on Sunday,

Kieran Culkin won the best supporting actor Oscar on Sunday for playing a motor-mouthed American tourist in "A Real Pain." A star of the HBO program "Succession," Culkin was a heavy favorite to win after sweeping BAFTA,

Macaulay Culkin couldn't be prouder of his brother Kieran's big Oscar win – even if he was left out of his acceptance speech. Per People, Macaulay and wife Brenda Song shared their thoughts on Kieran's victory in the Best Supporting Actor category at the 2025 Vanity Fair Oscar party on Sunday.