You say it's your birthday It's my birthday too--yeah They say it's your birthday We're gonna have a good time I'm glad it's your birthday Happy birthday to you Yes we're going to a party party Yes we're going to a party party Yes we're 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 it's your birthday Well it's my birthday too--yeah You say it's your birthday We're gonna have a good time I'm glad it's your birthday Happy birthday to you