Kieran Culkin had a host of "thank yous" to share as he accepted his Oscar for Best Supporting Actor in A Real Pain at the ...

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

Given Kieran Culkin's winning streak during awards season, he's being touted as a likely victor at the 97th Academy Awards.

Kieran Culkin won an Academy Award for best supporting actor in "A Real Pain" and reminded his wife about a promise they made.

LOS ANGELES (Reuters) - Kieran Culkin won ... "Igby Goes Down," "The Cider House Rules," "Scott Pilgrim vs the World," and ...