Sir Paul McCartney has reached the heights of success few music artists ever had. Tragically, his mother died long before The Beatles legend shot to fame when he was just 14-years-old. But now the star has celebrated what would have been Mary McCartney’s 112th birthday on his Instagram page.

Sir Paul shared a swimming pool photograph of himself as a child with his mother Mary.

The 79-year-old captioned it: “Today is the anniversary of my lovely mum’s birth. Lets celebrate together. – Paul.”

Mary Patricia Mohin was born on September 29, 1909 and married Paul’s father James McCartney on April 5, 1941.

Sadly, the star’s mid-wife mother died some 65 years ago on October 31, 1956 of an embolism due to a complication from surgery for breast cancer.

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Let It Be’s lyrics go: “When I find myself in times of trouble, Mother Mary comes to me, Speaking words of wisdom, let it be.

“And in my hour of darkness she is standing right in front of me, Speaking words of wisdom, let it be.”

Paul has said in the past how the iconic Beatles song was inspired by a dream he had.

In the dream his mother Mary came to him and said: “It’s gonna be OK. Just let it be…”