Rumours are swirling that superstar singer Tina Turner is set to wed her long term partner next week.

According to reports the 73-year-old star is planning on marrying her 57-year-old fiancé, Erwin Bach on July 21, in her adopted home Switzerland, where she officially became a citizen in April of this year.

Turner has been in a relationship with Bach since that met at her record label in 1987.

The Daily Express newspaper reports that the couple will marry in a Buddhist ceremony at their lavish home on Lake Zurich.

This will be the second marriage for Turner, who divorced Ike Turner in 1978.