The ceremony took place on Wednesday midnight at Calabar International Conference Centre in Cross River State in Nigeria. The competition was attended by 25 girls from different countries.
Miss Africa 2017, Gaseangwe took home $35,000 and a Ford Edge Sport Utility Vehicle as her star prize.
First runner-up Muthoni pocketed $10,000 while South African Luyolo Mngonyama received $5,000 as the second runner-up.
Muthoni had also emerged third runner-up at Miss Rwanda 2015.
The theme of the event was ‘Climate Change and Migration’ which was chosen to create awareness on the need to protect the environment and caution African youth against illegal migration.
The ceremony was entertained by different famous artists including Neza from Rwanda, Mafikizolo from South Africa, Vanessa Mdee from Tanzania, Tekno and Runtown from Nigeria.