Beyoncé, Jay-Z Financial Details Leaked Online
Kimmy K, Paris Hilton & Ashton Kutcher have also been hacked...
The likes ofKim Kardashianhave reportedly had their personal and financial details leaked online.
According toAshton Kutcher are also among those who have been targeted by the hacker - who has posted screengrabs of their bank statements on a website.
The LAPD is thought to have already started investigating the case, with the FBI also said to be looking into the matter.
According to BBC Newsbeat, Police Cmdr. Andrew Smith stated: "People get mad at us, go on the Internet and try to find information about us, and post it all on one site.
"The best word I can use to describe it is creepy."
The BBC adds that reps for each of the celebs targeted by the hacker have either refused to comment on the accuracy of the information that was posted, or they did not return messages when asked for a response.