The singer and title of the song?

it was sang by an african singer(woman) and in the video it was live and she was wearing a long dress with a bandanna. the song was about forgiving a person who wronged her and moving on to be a better person without wishing ill of the person who wronged her.it was mainly about moving on.. i just wish someone can help me..its not des'ree for sure ..i know all her songs..