Question: What is the name of the American hip hop singer, rapper, actress, songwriter and producer of this American girl group formed in Atlanta, Georgia in 1990, who contributed to the outfit and stage designs and received a lot of song-writing credits?
Sentence (from "TLC (group)"): They scored nine top-ten hits on the "Billboard" Hot 100, including four number-one singles "Creep", "Waterfalls", "No Scrubs", and "Unpretty".
Relevant evidence: No