Kieran Culkin has won best supporting actor at the 97th Academy Awards, completing his awards season sweep of the category.

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,

Kieran Culkin has been building to an Academy Award since audiences first saw him in A Real Pain. After claiming many of the precursor awards, Culkin finally got his Oscar moment on Sunday night at the Dolby Theatre when he won Best Supporting Actor at this year's Academy Awards.

Ariana Grande sang ''Somewhere Over the Rainbow'' and Cynthia Erivo sang Diana Ross' ''Home'' to kick off the 97th Academy Awards in a tribute to Los Angeles following wildfires that devastated the Southern California metropolis.

Kieran Culkin won the Academy Award for best supporting actor for his role as the descendant of a Holocaust survivor who makes a family pilgrimage to Poland in the dramatic comedy of manners “ A Real Pain. ”

The first and most widely predicted result of the night came to pass with Kieran Culkin’s win for his performance in “A Real Pain.” It’s the first Oscar win for the former child actor and “Succession” star,

Macaulay Culkin tuned in to just one moment at Sunday night’s Oscars for a very sweet reason. The “Home Alone” star revealed that he only watched the Best Supporting Actor category, which his brother Kieran Culkin ended up winning.

Macaulay Culkin "cried" when his brother Kieran Culkin won his Oscar over the weekend. The results are in for Donald Trump’s address to Congress—and they’re bad. Donald Trump singled out Secretary of State Marco Rubio as the person “to blame if anything goes wrong” during his speech to Congress—and Rubio’s shocked reaction was quickly spotted online.