by Mike Krumboltz Prepare to feel very, very old. Macaulay Culkin , the actor who shot to sudden fame following his career making turn in 1990's " Home Alone ," is 30 years old today. How the heck did that happen? Like many actors who become superstars at a young age, Culkin has had his share of ups and downs in his career. Here, a quick look back at the three phases of Big Mac's attack on Hollywood. Stage 1: The Cute Kid According to IMDb ,