Lady GaGa has come under fire for her new song about Princess Diana's death.

The 'Bad Romance' star premiered new track 'Princess Die' in Melbourne, Australia and outraged royal fans with her risque lyrics, which appear to reference the Princess of Wales' tragic death in a Paris car accident in 1997.

Gaga, real name Stefani Germanotta, sings: ''And wish that I would go / In my rich boyfriend's limo / Right after he proposed / With a 16-carat stone wrapped in rose gold / With the papparazzi all swarming around /So bob head your head for another dead blonde.''

Diana was fatally injured in a car crash in the Pont de l'Alma tunnel in Paris, while in a car with her lover Dodi Fayed, and it is rumoured that the Harrods businessman had recently proposed to her.

The 26-year-old singer's lyrics have been blasted as distasteful, but the singer is no stranger to controversy, having caused outrage by performing in a wheelchair and wearing religious garb in the past.

The singer also says in the song: ''I wish that I could cope but I took pills and left a note.''

Suicide charities in Australia have slammed the singer's words and are worried about the message she is sending to impressionable fans.

Chris Wagner, communications director for Lifeline, said: ''We understand artistic license and we get artistic expression, but celebrities need to recognise that they're role models for young people in the community.''

'Princess Die' is likely to be released included on Gaga's next album.