Plot to kill Justin Bieber foiled: Scariest celebrity death threat?

A plan to kill Justin Bieber by hit men under the orders of a convicted killer was recently stopped before it was too late. According to ABC News, police have said that inmate Dana Martin ordered the two men to castrate and strangle Bieber and his manager, but the two were arrested when they were pulled over for outstanding warrants and then held after a phone conversation discussing the plot was overheard.

Is this the scariest death threat to a celeb ever? It’s not the first to be linked to the Canadian singer. His ex, Selena Gomez, received dozens of threats while they were together, and Kim Kardashian also received threats after he jokingly called her his girlfriend. Actress Ellen Page was also recently the recipient of jealous threats telling her to stop dating “True Blood” star Alexander Skarsgard.

SODAHEAD SLIDESHOW: See the scariest celebrity death threats.

David Letterman and “South Park” creators Trey Parker and Matt Stone received death threats from extremist groups; one for making a joke about al-Qaeda leaders, and the others for planning to show a representation of the prophet Mohammad on television.

Rapper Rick Ross was recently threatened by a Chicago gang for mentioning one of their founders in a video, while British Olympic diver Tom Daley was threatened just for failing to win a medal.

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Which celebrity death threat do you think was the scariest?