The accused Los Angeles drug dealer known as the "ketamine queen" has agreed to plead guilty to charges that she supplied the dose of the prescription anesthetic that killed "Friends" star Matthew Perry, prosecutors said on Monday.

A woman known as the “Ketamine Queen,” charged with selling Matthew Perry the drug that killed him, agreed to plead guilty Monday.

The American-British dual-national is one of five people who were charged with supplying ketamine to the actor.