Most of the Californians act as Mrs Pelosi’s praetorian guard in the House, not least because she sometimes gives them a lift home on her official jet.

In at-home treatments, patients wear a mouth guard fitted with bleaching gel 2 hours a day for two weeks, depending on the severity of staining.

Winehouse's friend and publicist Chris Goodman told the Sun, "Amy was on her own at home apart from a security guard who we had appointed to help look after her over the past couple of years."