The much-loved TV star and singer is believed to have died of natural causes after being found at her home in Marbella.
‘I can confirm the death of British national Priscilla White, aged 72,’ police representative said.
Cilla Black was born Priscilla Maria Veronica White on May 27, 1943.
The Liverpoon-born star enjoyed her first taste of fame at the city’s Cavern Club, where she performed alongside acts including The Beatles and Gerry and the Pacemakers.
The singer began her career, which spanned five decades, in 1963 with two number one singles: Anyone Who Had a Heart and You’re My World.
She was managed by Brian Epstein, who also managed the Beatles, after being introduced by family friend Richard Starkey –better known as Ringo Starr.
Black met her husband, Bobby Willis, at the age of 17. He died of cancer in 1999.
Black’s presenting career began in 1984 with Surprise, Surprise, which ran until 2001. However, she is best known for Blind Date on ITV, which ran for 18 years from 1985.