Benedict Cumberbatch recently called the Metropolitan Police to report a woman who was reportedly harassing him in his family home.
This is just one of the celebrity stalker stories faced by every famous individual once or twice in his or her career.
According to J-14, Selena Gomez was surprised by an intruder in her house who just wanted to "see the singer in person."
Rihanna also had her share of obsessed men in the span of her career but one in particular claimed to be her future husband and made her a bit paranoid.
Chris Brown also recently posted a photo on social media of an overzealous fan who waited naked for him in his house.
Meanwhile, Jennifer Lawrence's stalker took things to another level. When he couldn't contact the actress, he went for her brother instead, calling and sending him scary emails. He was eventually deported to Canada.
Other celebrity stalker stories include Miley Cyrus, Ashley Tisdale, Josh Hutcherson, Taylor Swift and more. Which one is the scariest?