Céline Dion has been tested for coronavirus and postponed concerts after becoming unwell

Céline Dion has delayed concerts in Washington, D.C. and Pittsburgh, Pennsylvania this week after being tested for COVID-19.

Taking to Facebook, the Canadian singer's team revealed: "On Monday night, a day after completing a six-show run in the New York area, Céline began feeling the symptoms of a common cold.

"The symptoms persisted into Tuesday, and her doctors instructed her to rest for the next 5-7 days.

"After testing her, the doctors concluded that her virus was not related to COVID-19."

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The 51-year-old herself added: "I'm so sorry for disappointing my fans in Washington D.C. and Pittsburgh ... I hope everyone understands."

The 'My Heart Will Go On' hitmaker's tour is set to continue in Denver, Colorado on Tuesday 24 March.