Carly Simon grieving after sisters die one day apart

Carly Simon lost both her sisters to cancer this week.

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The 78-year-old singer is grieving after Broadway composer Lucy Simon died following a battle with breast cancer.

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In the early 1960s, Lucy and Carly formed their own folk singing duo called The Simon Sisters.

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both went on to have solo careers, Lucy later enjoyed success as composer of the Broadway musical 'The Secret Garden' in 1991.

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Before her illness progressed, she had been working on 'On Cedar Street', a musical adaptation of the 2015 novel 'Our Souls At Night'.

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She went on to work as the arts correspondent for PBS’s 'MacNeil-Lehrer News Hour' until 1992, and later worked in real estate.

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