"I was at the premiere, and I was dying laughing," Culkin told the Los Angeles Times in December. "It was the funniest thing I had ever seen. I had no idea what the movie was abou

The film, dubbed an heir of Woody Allen, follows Jewish American cousins who travel to Poland in memory of their late grandmother

Kieran Culkin played Fuller McCallister, while his brother Macaulay Culkin starred as cousin Kevin, in ‘Home Alone’

Culkin, who won a Golden Globe for 'A Real Pain' almost pulled out of the project until producer Emma Stone flew him to the set

An emotional Kieran Culkin thanked A Real Pain writer-director and co-star Jesse Eisenberg tonight as he accepted the Golden Globe for Best Male Actor In A Supporting Role for a Motion Picture. "I’m here because Jesse Eisenberg wrote an incredible script.

Kieran Culkin gives his 'A Real Pain' co-star and director, Jesse Eisenberg, his gum mid-speech while accepting an award from National Board of Review.

The character of our grandmother is based on my Aunt Doris. She was bored and raised in Poland, was such an unusual person and gave me such grounding in my life. She died at 101 and while the film is fictional, it has many personal, autobiographical elements that came out, like my aunt and even filming at the home my family lived in in Poland.

A Real Pain sees Jesse Eisenberg and Kieran Culkin play cousins who go to Poland to retrace their family's history. Eisenberg says being both actor and filmmaker made him nervous because he sees actors giving notes as the "biggest taboo".