Billionaire Stephen Cloobeck’s arrest is in relation to his Penthouse Pet fiancée, the California Post can confirm.

A law enforcement source revealed he is accused of tampering with multiple witnesses in the case against his future wife, Adva Lavie.

A spokesman for the real estate tycoon also confirmed it was in relation to her allegedly stealing from old men she met on dating apps across Los Angeles.

Cloobeck has been charged with two felony counts of attempting to prevent or dissuade a victim or witness from testifying, a felony count of preventing or dissuading a witness or victim from attending or testifying at a trial or proceeding, and a misdemeanor count of annoying telephone calls.

All four alleged crimes were committed against the alleged victims of Lavie or their attorneys.

A charging document alleges Cloobeck tried to prevent Michael Craine, an alleged rich victim of Lavie’s, from testifying at a trial with force and an “express and implied threat of force and violence upon a victim,” in…