You're likely thinking of
Sommore. She's a well-known stand-up comedian, actress, and writer known for her signature blonde dreadlocks and her sharp, comedic wit. She was a regular on the BET comedy show "Comic View" back in the 90s, helping launch her career.
While she's not the only comedian with blonde dreadlocks, Sommore is the most prominent and recognizable one who appeared on "Comic View".