When Raven-Symone earned her own T.V. show “That’s So Raven,” she already had 14 years of acting experience.At the age of five, Raven acted along with Bill Cosby, Lisa Bonet, and Malcom-Jamal Warner in “The Cosby Show.” By far the launching point of her career, Raven starred as Olivia Kendall, Cliff Huxtable’s (Cosby) step-granddaughter. Raven [...]