If there was ever a time to place you hands on your cheeks and scream, that time would be now.
Macaulay Culkin, who is best known for his role as Kevin McCallister in the "Home Alone" franchise, shocked fans by tweeting out that he has oficially turned the big 4-0.
The actor celebrated the milestone birthday by tweeting out, "Hey guys, wanna feel old? I'm 40. You're welcome"
It was three decades ago when the holiday, box office smash was released and Culkin was only 10 at the time.
In 2019, Culkin reprised his role as McCallister for a commerical for Google Assistant, that brought an overwhelming wave of nostalgia to "Home Alone" fans everywhere.