Lakisha Jones sang “Stormy Weather” and it was flawless. Lakisha and Melinda is gradually establishing the expectations that American Idol season 6 finale will be battle of the divas. Randy Jackson said “I loved this, this was the perfect song for you.” Paula Abdul said “You sound beautiful, it proves that we all Tony Bennett.” Simon Cowell said “Back on form, Lakisha, that was a sassy, great performance.” Watch Lakisha's performance after the jump...