She's come a long way from Rudy on The Cosby Show: She's about to be a mom

Keisha Knight Pulliam is expecting her second child.  The Cosby Show alum announced on Instagram Thursday (December 1st) that she is pregnant. This will be her first child with husband Brad James. Pulliam is already mom to 5-year-old Ella, who she shares with her ex, Ed Hartwell.