Former “Cosby Show” star Keshia Knight Pulliam has given birth to a baby girl. The 37-year-old Pulliam shared a picture of her cradling the baby’s legs on Instagram on Monday with the note, “Ella Grace has arrived!!!” Keshia Knight Pulliam cradling baby Ella Grace. (Instagram and AP Photos) Her brother, Mshon Pulliam, posted a picture on Instagram of himself […]