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)"): Formed in Atlanta, Georgia in 1990, the group was very successful during the 1990s despite numerous spats with the law, each other, and the group's record label and management.
Relevant evidence: Yes