The Beatles stars Paul McCartney and Ringo Starr are just two of the latest celebrities to pay tribute to the late Cilla Black.
McCartney shared his sadness about Black's death in a statement on his Twitter account, describing the 72-year-old as "a great pleasure to be around".
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"Such a shock to hear about Cilla's passing," McCartney said. "She was a lovely girl who infected everyone with her great spirit.
"From first meeting her as a cloakroom girl at the Cavern in Liverpool, to seeing her many times since, she always had a fun-loving dignity that made her a great pleasure to be around.
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"She had a fine distinctive voice and was always a bit of a laugh. It was a privilege to know and love her."
Starr also tweeted his sympathies, describing the singer and entertainer as "a good friend" who he will miss.
He tweeted: "I just heard the news Cilla Black has left us she was a good friend we will all miss her peace to Cilla peace and love to the family R&B xxx."
It was confirmed earlier today that Black had died at her house in Spain, aged 72.
The Beatles were close friends with Black during her rise to fame as a singer, at one point sharing a manager in Brian Epstein.
Tributes have flooded in from stars such as Paul O'Grady, Cliff Richard, Barbara Windsor, Joan Collins and Holly Willoughby.
Cilla Black 1943-2015: Her life in pictures, from musical stardom to TV icon
Cilla Black 1943-2015: Life of a showbiz icon in pictures
