Macaulay Culkin shares an emotional tribute to "Home Alone" co-star Catherine O'Hara following her death, posting a heartfelt message on Instagram.

Even with incredible work on shows like SCTV and Schitt's Creek, it was a pair of kids movies in the early 1990s that gave the actor a catchphrase that would last the rest of her career

The 45-year-old former child star was spotted looking subdued as he left a meeting at the UTA Talent Agency in Beverly Hills, Calif., several hours after O’Hara’s death was announced.

The late Catherine O'Hara had trouble saying a particularly venomous line to a young Macaulay Culkin in the first Home Alone movie.

Macaulay Culkin has taken to Instagram to pay tribute to Catherine O’Hara, the beloved comedic actress who played his mother in the Home Alone films, who passed away on Friday, aged 71. “Mama. I thought we had time,

Macaulay Culkin’s bond with late Home Alone costar Catherine O’Hara endured for more than 30 years prior to her death at age 71 in January 2026. “Mama. I thought we had time,” Culkin wrote via Instagram when news of her death broke on January 30,

In Home Alone, the 1990 holiday classic, O’Hara played a mom who accidentally leaves her son (played by Culkin) at home. They also starred together in the 1992 sequel, Home Alone 2: Lost in New York. “Mama. I thought we had time," the star’s onscreen son said in a sweet tribute on his Instagram.

The "Home Alone" star appeared in good spirits while stepping out to the 2025 Angel Awards in Santa Monica, Calif., in October.