The star, who is based in the US, confirmed the good news in a social media post on Thursday. Nomzamo Mbatha will be the international presenter at the show, with comedian and actress Amanda Seales as the awards' main host.
She joins the star-studded list of celebs who will present or make an appearance at the awards, including La La Anthony, Lizzo, Michael B Jordan, Naomi Campbell, Omari Hardwick, Quavo, Quincy Jones, Regina Hall, Samuel L Jackson, Viola Davis and Whoopi Goldberg.
Nomzamo Mbatha presented at the 2017 awards and shared a message of what it means to her to participate again this year. She also used the opportunity to add her voice to the Black Lives Matter movement.