ET looks back at Kieran Culkin through the years, from his early role in brother Macaulay’s breakout film, 'Home Alone,' to becoming an Oscar-nominated actor for his part in 'A Real Pain.' As a kid, Kieran had memorable roles in films like ‘Father of the Bride’ and ‘She’s All That.

The Best Supporting Actor prize went to A Real Pain’s Kieran Culkin, just as it did at the Golden Globes, the National Board of Review Awards, the New York Film Critics Circle Awards, and the Los Angeles Film Critics Association Awards,

Kieran Culkin wins Best Supporting Actor at the 2025 SAG Awards, making him the clear frontrunner for the Oscar race.