Squidgygate

Media "scandal" involving a tape of a phone conversation between Princess Diana and her friend (or maybe lover) James Gilbey, in which the Princess is affectionately called "Squidgy". The leak of the tape is part of the battle between Diana and Prince Charles at the end of their marriage.

Source:

http://www.telegraph.co.uk/news/uknews/1575117/Dianas-Squidgygate-tapes-leaked-by-GCHQ.html