David Bowie's wife Iman has shared baby pictures of her late husband on what would have been his 71st birthday, while his son Duncan has written a touching tribute to his dad.

Model Iman, 62, posted the series of black and white photographs on Instagram. The images show a baby - presumably the late singer-songwriter - sitting against a cushion. The caption reads: "1947 - Forever. #BowieForever."

The much-loved singer died aged 69 in January 2016 following a battle with cancer.

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Bowie's son, film director Duncan Jones, whose mother is Bowie's first wife Mary Angela Barnett, also paid tribute, sharing a card he had made for his father to tell him he was going to be a grandfather. He said: "8th of Jan again.  A strange feeling for me.

"I know how excited dad was to have a grandson on the way, & I made this card for his birthday having told him a month earlier he was going to be a grandad. Makes me smile at our shared goofy sense of humour.
Happy birthday dad!"

Jones, the subject of Bowie's 1971 song Kooks, and his wife Rodene Ronquillo had a son in 2016, six months after the death of Bowie.

Duncan Jones

The director, who has made movies such as Moon, Warcraft and Source Code, announced the new arrival on Twitter saying: "Stenton David Jones. Born July 10th, exactly six months after his grandad made room for him. Love you both so." 

Duncan recently launched a book club in honour of his late father.