[Loukas]

Perez, 36, has signed up for the reality show that returns in the New Year.

And among the celebrities who fear he could divulge embar*rassing details about their lives are Lady Gaga, 28, Kim Kard-ashian, 34, Beyoncé, 33, Rihanna, 26, and Katy Perry, 30.

He has soaked up all sorts of information about A-listers, including their bedroom experiences and preferences, during his time has Hollywood’s top blogger and columnist.

A Tinseltown insider said: “Hollywood is the bitchiest place on Earth and Perez knows where the bodies are buried.

“He made his name sharing shocking or sleazy secrets about the stars.

“He was there when stars like Kim were starting out. It made him a lot of enemies, but a lot of money too.

“Perez knows he’s famous for great gossip, and won’t want to let viewers down”

Lady Gaga is said to be particularly worried after falling out with her old pal Perez.

She has even ordered her lawyers to watch the show.

The singer fell out with Perez in 2011 after branding him a bully and a “fake” on TV.

He hit back by accusing Gaga of being “fame hungry” and the pair have not spoken since.

Another LA mole explained: “In the USA, the freedom of speech laws mean he can say practically anything.

“However, because UK libel laws are much stricter, Perez poses a problem when he talks about Gaga and any unfounded allegations.

“Channel 5 will have to keep a very tight rein on his comments.”

Daily Star

So basically, he might say stuff in the house but it won't be aired.