You say its your birthday Its my birthday too--yeah They say its your birthday Were gonna have a good time Im glad its your birthday Happy birthday to you. Yes were going to a party party Yes were going to a party party Yes were going to a party party. I would like you to dance--birthday Take a cha-cha-cha-chance-birthday I would like you to dance--birthday Dance You say its your birthday Well its my birthday too--yeah You say its your birthday Were gonna have a good time Im glad its your birthday Happy birthday to you.