Macaulay Culkin remembered his "Home Alone" co-star mama Catherine O'Hara on Instagram, shortly after her death was announced Friday at the age of 71.

1990's "Home Alone" is a go-to Christmas classic that, every year, elicits a warm glow in us all.

After learning of O'Hara's death, Culkin posted an emotional tribute on Instagram, saying, "Mama. I thought we had time. I wanted more," he wrote. "I wanted to sit in a chair next to you. I heard you....