The rap mogul became addicted to the "laughing gas" and was supplied copious amounts to the couple's home, a letter from their lawyers states.

The rapper and his wife Bianca Censori claim Dr. Thomas Connelly "willfully ignored" red flags and charged West $50,000 a month for nitrous oxide, lawyer says

To do this, the dentist allegedly put West and Censori out of action "with a cocktail of controlled and uncontrolled substances." The administration of the laughing gas, which is