Nigerian superstar Yemi Alade: From viral hit 'Johnny' to working with Beyoncé

Nigerian superstar Yemi Alade is one of Africa's biggest female artists, with global hits, hundreds of millions of views online and a collaboration with Beyoncé. Speaking to Eve Jackson as she kicks off her new tour, the Grammy-nominated singer looks back on her remarkable career, reveals how she nearly missed the email that led to her "Black Is King" collaboration with Beyoncé and talks about her new album, "It's Yemi Alade", and latest single "Ala Bekee" with Don Jazzy.