From selling cookies as Girl Scouts to being some of our favorite entertainers, check out some of these celebrities who were once Girl Scouts! 1. Venus Williams Source: Getty 2. Star Jones Source: Getty 3. Carrie Fisher Source: Getty 4. Mariah Carey Source: Getty 5. Dionne Warwick Source: WENN 6. Mary Tyler Moore Source: Getty 7. Celine Dion Source: Getty