Rihanna knew “immediately” she wanted to have her sons’ hair braided. The 36-year-old singer has always viewed the hairstyle as a way to channel self-expression, as well as connect to her roots and so she was keen to pass the symbol on to RZA, 22 months, and seven-month-old Riot – who she has with partner A$AP Rocky – to help them feel “protected” by their ancestors. She told China’s Vogue magazine: “This is a form of protection by our ancestors…[it] makes us realise where we’ve come from. “This is our lost history. I immediately wanted my children to have their hair braided…it’s something…