Kieran Culkin is on cloud nine after winning the Oscar for Best Supporting Actor for his performance in A Real Pain.

Did Macaulay Culkin and wife Brenda Song expect Kieran to win for ‘A Real Pain’? “Of course!” said Song. “Come on, let’s be real.”Macaulay Culkin is celebrating his brother Kieran Culkin’s big night at the Oscars.

Macaulay Culkin shared his reaction to his brother Kieran Culkin's Oscar win during the Vanity Fair Oscar Party livestream.