Gallery: The Queen of Pop! Madonna's 10 highest-grossing albums (BANG Showbiz)Tiwa Savage (Nigeria) Diamond Platnumz (Tanzania) Olakira (Nigeria) Falz the Bahd Guy (Nigeria) Sarkodie (Ghana) Vanessa Mdee (Tanzania) Joeboy (Nigeria) Darina Victry (Cameroon) Shatta Wale (Ghana) Wizkid (Nigeria) Best Hip hop Act Young T & Bugsey 'Don't Rush' Polo G 'Rapstar' Fredo 'Flowers & the Snow' Slow Thai 'Tyrone' Cardi B 'Up' Dave 'We're All Alone In This Together' Little Simz 'Woman' Nas 'King's Disease'