Two men are on trial for plotting to kill singer Joss Stone, and the case has now revealed that there were threats against other stars, including Beyonce and Chris Brown.

The suspects, Junior Bradshaw and Kevin Liverpool, were arrested in June 2011, after neighbors reported them to the police for acting suspiciously. Weapons were found in their car, including a samurai sword, a lock knife and a hammer. Luckily, they never reached Joss Stone's U.K. house.

Now, E! is reporting that Liverpool also wrote threats against Beyonce, Chris Brown, Eminem, R. Kelly, Dizzee Rascal, Craig Davis and Girls Aloud in his diary, according to a detective constable who testified in the suspects' ongoing trial in London.

This diary was found in the suspects' possession and outlined a sinister plot to decapitate Joss Stone and "find a river to dump her." Other notes supposedly had passages with statements that read: "Jocelyn RIP."

London police have charged the suspects with conspiracy to rob and murder. Both men have denied the charges. According to BBC News, the trial is expected to last for up to three weeks.

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