Horn won the IRN Fanny Ann Eddy Poetry Prize in 2009 for her poem "They have killed Sizakele" and the Sojourner Poetry Prize judged by June Jordan in 2001 for her poem Dis U.N: For Rwanda.
As an activist poet, Horn has used poetry as a medium to discuss human rights abuses [REF] and explore the concept of revolutionary love, including through poetry platform The Love Mic.