Alicia Keys’ husband learned a lot about her by watching her docuseries. The 41-year-old singer has been married to Swizz Beatz – the father of her sons Egypt, 11, and seven-year-old Genesis – since 2010 but the 43-year-old producer was still taken by surprise by some of the revelations in her YouTube programme ‘Noted: Alicia Keys the Untold Stories’. She said: ““When we were at the end and finishing all the edits and everything, he said to me, ‘There’s so much about you I don’t know. I didn’t know a lot of this stuff.’ “That was the first time I’ve been able to share these stories and see how…