finally , mackenna starts singing `` pandora 's kiss , '' the breakout song that topped the billboard charts and hit # 1 on itunes for weeks : those harlot 's lips to taste and torment me those little tricks that tease and torture me , ooooooooh , oh , oh , oh i should n't have opened you up , pandora ooooooooh , oh , oh , oooh you should 've remained in my closet , pandora a secret i will forever deny a love that would one day die ooooh , oh , oh , oh i should 've never kissed ... those harlot 's lips ... pandora rage bubbles up inside me full force .