Complex sentence: Dee C. Lee (born Diane Sealey on June 6 1964) was a backing vocalist for the pop group Wham! in the early 1980s, but she soon left the group to join Paul Weller's new band, The Style Council.
Split into simpler sentences: Dee C. Lee (born Diane Sealey on June 6 1964) is a singer. Lee was a backing vocalist for the pop group Wham! in the early 1980s, but she soon left the group to join Paul Weller's new band, The Style Council.