Karaoke is `my idea of hell`: Keira Knightley

London: Actress Keira Knightley says she hates night out at a karaoke bar. She says that she hates it despite playing an aspiring singer in the new `Begin Again`.

Knightley, who plays aspiring singer Greta in the upcoming comedy-drama , took vocal lessons for the movie and insisted she won`t be seen singing in a bar, suggest reports. She was quoted by the New York Post newspaper`s Page Six column: "I hate karaoke. It`s my idea of hell."