Singer Shirley Bassey arrives for the annual Red Cross Gala in Monaco, July 26, 2019. REUTERS/Eric Gaillard 

Tennis - Wimbledon - All England Lawn Tennis and Croquet Club, London, Britain - July 12, 2018 Singers Shirley Bassey and Cliff Richard arrive in the royal box on centre court before the start of play REUTERS/Andrew Couldridge 

Tennis - Wimbledon - All England Lawn Tennis and Croquet Club, London, Britain - July 12, 2018 Singer Shirley Bassey arrives in the royal box on centre court before the start of play REUTERS/Andrew Couldridge 

British singer Shirley Veronica Bassey aka Shirley Bassey arrives for the annual Rose Ball at the Monte-Carlo Sporting Club in Monaco, March 24, 2018. Picture taken March 24, 2018. Valery Hache/Pool via Reuters 

British singer Shirley Veronica Bassey aka Shirley Bassey arrives for the annual Rose Ball at the Monte-Carlo Sporting Club in Monaco, March 24, 2018. Picture taken March 24, 2018. Valery Hache/Pool via Reuters 

Tennis - Wimbledon - London, Britain - July 13, 2017 Singer Shirley Bassey in the stands on centre court REUTERS/Toby Melville 

WINDSOR, ENGLAND - MAY 15: Prince Charles, Prince of Wales greets Dame Shirley Bassey on the final night of Queen Elizabeth II's 90th Birthday Celebrations at Windsor on May 15, 2016 in Windsor, England. REUTERS/Chris Jackson/Pool 

Singer Shirley Bassey poses for photographers on the red carpet at the world premiere of the new James Bond 007 film "Spectre" at the Royal Albert Hall in London, Britain, October 26, 2015. REUTERS/Luke MacGregor 

Singer Shirley Bassey poses for photographers on the red carpet at the world premiere of the new James Bond 007 film "Spectre" at the Royal Albert Hall in London, Britain, October 26, 2015. REUTERS/Luke MacGregor 

Singer Shirley Bassey poses for photographers on the red carpet at the world premiere of the new James Bond 007 film "Spectre" at the Royal Albert Hall in London, Britain, October 26, 2015. REUTERS/Luke MacGregor 

Singer Shirley Bassey waves as she arrives at the Red Cross Gala in Monte Carlo, Monaco July 25, 2015. The Red Cross Gala is a traditional annual charity event in the Principality of Monaco. REUTERS/Jean-Paul Pelissier

Singer Shirley Bassey waves as she arrives at the Red Cross Gala in Monte Carlo, Monaco July 25, 2015. The Red Cross Gala is a traditional annual charity event in the Principality of Monaco. REUTERS/Jean-Paul Pelissier

Singer Shirley Bassey (L), Actor Chiwetel Ejiofor (2nd R), former footballer Thierry Henry (top L) and former Manchester United manager Sir Alex Ferguson on Centre Court at the Wimbledon Tennis Championships in London, July 10, 2015. REUTERS/Suzanne Plunkett

Singer Shirley Bassey arrives at the Red Cross Gala in Monte Carlo August 1, 2014. The Red Cross Gala is a traditional and annual charity event in the Principality of Monaco. REUTERS/Eric Gaillard (MONACO - Tags: ENTERTAINMENT) 

Singer Shirley Bassey waves as she arrives at the Bal de la Rose in Monte Carlo March 29, 2014. The Bal de la Rose is a traditional annual charity event in aid of Foundation Princess Grace. REUTERS/Eric Gaillard (MONACO - Tags: ROYALS ENTERTAINMENT) 

British singer Shirley Bassey performs on stage during the amfAR's Cinema Against AIDS 2013 event in Antibes during the 66th Cannes Film Festival May 23, 2013. REUTERS/Jean-Paul Pelissier (FRANCE - Tags: ENTERTAINMENT)

Performer Shirley Bassey leaves a reception at the Guildhall, following the funeral service for former British prime minister Margaret Thatcher at Saint Paul's Cathedral in London April 17, 2013. Thatcher, who was Conservative prime minister between 1979 and 1990, died on April 8 at the age of 87. REUTERS/Neil Hall (BRITAIN - Tags: POLITICS RELIGION OBITUARY SOCIETY) 

Prince Albert II of Monaco and his wife Princess Charlene pose with British singer Shirley Bassey (R) during a charity gala organised by the Monaco Wales Association in Monte Carlo March 1, 2013. The funds collected will go to the Princess Charlene Foundation. REUTERS/Eric Gaillard (MONACO - Tags: ROYALS ENTERTAINMENT) 

Dame Shirley Bassey performs the song "Goldfinger" during a tribute to the James Bond films at the 85th Academy Awards in Hollywood, California February 24, 2013. REUTERS/Mario Anzuoni (UNITED STATES TAGS:ENTERTAINMENT) (OSCARS-SHOW) 

Dame Shirley Bassey performs the song "Goldfinger" during a tribute to the James Bond films at the 85th Academy Awards in Hollywood, California February 24, 2013. REUTERS/Mario Anzuoni (UNITED STATES TAGS:ENTERTAINMENT) (OSCARS-SHOW) 

Dame Shirley Bassey performs the song "Goldfinger" during a tribute to the James Bond films at the 85th Academy Awards in Hollywood, California February 24, 2013. REUTERS/Mario Anzuoni (UNITED STATES TAGS:ENTERTAINMENT) (OSCARS-SHOW) 

Dame Shirley Bassey arrives
at the 85th Academy Awards in Hollywood, California February 24, 2013. REUTERS/Lucas Jackson (UNITED STATES TAGS:ENTERTAINMENT) (OSCARS-ARRIVALS) 

Singer Shirley Bassey arrives to attend the Red Cross Ball in Monte Carlo August 3, 2012. The Red Cross ball is a traditional and annual charity event in the Principality of Monaco. REUTERS/Eric Gaillard (MONACO - Tags: ENTERTAINMENT) 

Queen Elizabeth meets singers Elton John, Cliff Richard, Shirley Bassey, Tom Jones and Paul McCartney (L-R) backstage at the Diamond Jubilee Concert outside Buckingham Palace in London June 4 , 2012. REUTERS/Dave Thompson/POOL (BRITAIN - Tags: ROYALS ENTERTAINMENT) 

Singer Shirley Bassey performs during the Diamond Jubilee concert in front of Buckingham Palace in London June 4, 2012. Large crowds gathered on the grand red road leading to Queen Elizabeth's sumptuous London palace on Monday for the pop concert on the third day of her Diamond Jubilee to celebrate her 60 years on the throne. REUTERS/David Moir (BRITAIN - Tags: ROYALS ENTERTAINMENT SOCIETY)

Singer Shirley Bassey performs during the Diamond Jubilee concert in front of Buckingham Palace in London June 4, 2012. Large crowds gathered on the grand red road leading to Queen Elizabeth's sumptuous London palace on Monday for the pop concert on the third day of her Diamond Jubilee to celebrate her 60 years on the throne. REUTERS/David Moir (BRITAIN - Tags: ROYALS ENTERTAINMENT SOCIETY)

Singer Shirley Bassey performs "Diamonds Are Forever" during the Diamond Jubilee concert in front of Buckingham Palace in London June 4, 2012. Large crowds gathered on the grand red road leading to Queen Elizabeth's sumptuous London palace on Monday for the pop concert on the third day of her Diamond Jubilee to celebrate her 60 years on the throne. REUTERS/David Moir (BRITAIN - Tags: ROYALS ENTERTAINMENT SOCIETY)

British singer Shirley Bassey arrives to attend the Red Cross Ball in Monte Carlo August 5, 2011. The Red Cross ball is a traditional and annual charity event in the Principality of Monaco. REUTERS/Eric Gaillard (MONACO - Tags: ENTERTAINMENT) 

British singer Shirley Bassey arrives for the fourth day of racing at Royal Ascot in southern England June 17, 2011. REUTERS/Suzanne Plunkett (BRITAIN - Tags: SPORT HORSE RACING SOCIETY ENTERTAINMENT) 

British singer Shirley Bassey arrives for the fourth day of racing at Royal Ascot in southern England June 17, 2011. REUTERS/Suzanne Plunkett (BRITAIN - Tags: SPORT HORSE RACING SOCIETY ENTERTAINMENT) 

British singer Shirley Bassey arrives for the fourth day of racing at Royal Ascot in southern England June 17, 2011. REUTERS/Suzanne Plunkett (BRITAIN - Tags: SPORT HORSE RACING SOCIETY ENTERTAINMENT) 

Singer Shirley Bassey poses for photographers as she arrives to the Scottish Fashion Awards at the Glasgow Science Centre in Glasgow, Scotland June 15, 2011. REUTERS/David Moir (BRITAIN - Tags: FASHION POLITICS) 

Singer Shirley Bassey poses for photographers as she arrives to the Scottish Fashion Awards at the Glasgow Science Centre in Glasgow, Scotland June 15, 2011. REUTERS/David Moir (BRITAIN - Tags: FASHION POLITICS) 

Welsh actress Catherine Zeta-Jones (R) singer Shirley Bassey (2nd R) and singer Katherine Jenkins (3rd R) perform on stage at the end of "Welcome to Wales", the Ryder Cup celebration concert at the Millennium Stadium in Cardiff, Wales September 29, 2010. REUTERS/Matt Dunham/Pool (BRITAIN - Tags: SPORT GOLF ENTERTAINMENT) 

Welsh singer Shirley Bassey performs on stage during "Welcome to Wales", the Ryder Cup celebration concert at the Millennium Stadium in Cardiff, Wales September 29, 2010. REUTERS/Matt Dunham/Pool (BRITAIN - Tags: SPORT GOLF ENTERTAINMENT) 

Welsh singer Shirley Bassey performs on stage during "Welcome to Wales", the Ryder Cup celebration concert at the Millennium Stadium in Cardiff, Wales September 29, 2010. REUTERS/Matt Dunham/Pool (BRITAIN - Tags: SPORT GOLF ENTERTAINMENT SOCIETY) 

British singer Shirley Bassey arrives to attend the Red Cross Ball in Monte Carlo July 30, 2010. The Red Cross ball is a traditional and annual charity event in the principality of Monaco. REUTERS/Eric Gaillard (MONACO - Tags: ENTERTAINMENT) 

Musicians (L-R) Sting, Debbie Harry, Lady Gaga, Elton John, Dame Shirley Bassey and Bruce Springsteen sing "Don't Stop Believing" during the 21st birthday celebration of the Rainforest Fund at Carnegie Hall in New York May 13, 2010. REUTERS/Lucas Jackson (UNITED STATES - Tags: ENTERTAINMENT) 

Singers (L-R) Lady Gaga, Elton John, Dame Shirley Bassey and Bruce Springsteen sing "Don't Stop Believing" during the 21st birthday celebration of the Rainforest Fund at Carnegie Hall in New York May 13, 2010. REUTERS/Lucas Jackson (UNITED STATES - Tags: ENTERTAINMENT) 

Singers (L-R) Lady Gaga, Elton John, and Dame Shirley Bassey, sing "Don't Stop Believing" during the 21st birthday celebration of the Rainforest Fund at Carnegie Hall in New York May 13, 2010. REUTERS/Lucas Jackson (UNITED STATES - Tags: ENTERTAINMENT) 

Musicians (L-R) Sting, Debbie Harry, Lady Gaga, Elton John, Dame Shirley Bassey and Bruce Springsteen sing "Don't Stop Believing" during the 21st birthday celebration of the Rainforest Fund at Carnegie Hall in New York May 13, 2010. REUTERS/Lucas Jackson (UNITED STATES - Tags: ENTERTAINMENT) 

Dame Shirley Bassey performs during the 21st birthday celebration of the Rainforest Fund at Carnegie Hall in New York May 13, 2010. REUTERS/Lucas Jackson (UNITED STATES - Tags: ENTERTAINMENT) 

Sting (C) and Elton John perform with Dame Shirley Bassey (R) during the 21st birthday celebration of the Rainforest Fund at Carnegie Hall in New York May 13, 2010. REUTERS/Lucas Jackson (UNITED STATES - Tags: ENTERTAINMENT) 

Sting (R) and Elton John perform with Dame Shirley Bassey (C) during the 21st birthday celebration of the Rainforest Fund at Carnegie Hall in New York May 13, 2010. REUTERS/Lucas Jackson (UNITED STATES - Tags: ENTERTAINMENT) 

British singer Shirley Bassey wears a shirt designed by Vivienne Westwood during the Fashion For Relief Haiti fashion show and auction in London February 18, 2010. REUTERS/Suzanne Plunkett (BRITAIN - Tags: FASHION) 

U.S singer Shirley Bassey arrives to attend the Red Cross Ball in Monte Carlo July 31, 2009. REUTERS/Eric Gaillard (MONACO ENTERTAINMENT) 

U.S singer Shirley Bassey poses during the Bal de la Rose in Monte Carlo March 29, 2008. The Bal de la Rose is a traditional annual charity event in Monaco Principality. REUTERS/Eric Gaillard (MONACO) 

Singer Dame Shirley Bassey poses at the "Q Awards" in London October 8, 2007. REUTERS/Anthony Harvey (BRITAIN) 

British singer Dame Shirley Bassey performs during the Glastonbury music festival in Somerset, south-west England, June 24, 2007. REUTERS/Dylan Martinez (BRITAIN) 

British singer Dame Shirley Bassey performs during the Glastonbury music festival in Somerset, south-west England, June 24, 2007. REUTERS/Dylan Martinez (BRITAIN) 

British singer Dame Shirley Bassey performs during the Glastonbury music festival in Somerset, south-west England, June 24, 2007. REUTERS/Dylan Martinez (BRITAIN) 

British singer Dame Shirley Bassey performs during the Glastonbury music festival in Somerset, south-west England, June 24, 2007. REUTERS/Dylan Martinez (BRITAIN) 

British singer Dame Shirley Bassey performs during the Glastonbury music festival in Somerset, south-west England, June 24, 2007. REUTERS/Dylan Martinez (BRITAIN) 

British singer Dame Shirley Bassey performs during the Glastonbury music festival in Somerset, south-west England, June 24, 2007. REUTERS/Dylan Martinez (BRITAIN) 

British singer Dame Shirley Bassey performs during the Glastonbury music festival in Somerset, south-west England, June 24, 2007. REUTERS/Dylan Martinez (BRITAIN) 

British singer Dame Shirley Bassey performs during the Glastonbury music festival in Somerset, south-west England, June 24, 2007. REUTERS/Dylan Martinez (BRITAIN) 

British singer Dame Shirley Bassey performs during the Glastonbury music festival in Somerset, south-west England, June 24, 2007. REUTERS/Dylan Martinez (BRITAIN) 

Singer Shirley Bassey arrives for the world premiere of the latest James Bond movie "Casino Royale" at the Odeon cinema in Leicester Square in London November 14, 2006. REUTERS/Luke MacGregor (BRITAIN) 

Singer Shirley Bassey arrives for the world premiere of the latest James Bond movie "Casino Royale" at the Odeon cinema in Leicester Square in London November 14, 2006. REUTERS/Luke MacGregor (BRITAIN) 

Singer Shirley Bassey arrives at the Bal de la Rose in Monte Carlo March 25, 2006. The Bal de la Rose is a traditional and annual charity event in the Principality.