And the beat goes on I'm a happy girl It's my birthday song In my happy world I know it's gonna be a good day Oh, yeah, today is my birthday Huh! And the beat goes on (and the beat goes on) I'm a happy girl (I'm a happy girl) It's my birthday song (oh, yeah, it's my birthday) In my happy world (in my happy world) Light my candles, gotta make a wish Wrap up the present and seal it with a kiss Gimme a spanking, start the day off right 'Cause its my day, you're gonna sing my song tonight And the beat goes on (and the beat goes on) I'm a happy girl (I'm a happy girl) It's my birthday song (oh, yeah, it's my birthday) In my happy world (in my happy world) I know it's gonna be a good day Oh, yeah, today is my birthday I'm a happy girl (I'm a happy girl) My type of party there's no hangover So grab your things you better come over We get high and we are still stay sober We throw it down and then we gonna start over My type of party there's no hangover And the beat goes on (and the beat goes on) I'm a happy girl (I'm a happy girl) It's my birthday song (oh, yeah, it's my birthday) In my happy world (in my happy world) I want a diamond, don't give me a fake (that's what I said) I'll let you lick the frosting of my cake Gimme a spanking, start the day off right 'Cause its my birthday, you'll be singing my song tonight And the beat goes on (na-na-na-na, na-na-na-na-na) I'm a happy girl (na-na-na-na, na-na-na-na-na) It's my birthday song (na-na-na-na, na-na-na-na-na) In my happy world (na-na-na-na, na-na-na-na-na) I know it's gonna be a good day Oh, yeah, today is my birthday I'm a happy girl In my happy world I know it's gonna be a good day Oh, yeah, today is my birthday I'm a happy girl (It's my birthday everyday) Na-na-na-na, na-na-na-na-na Na-na-na-na, na-na-na-na-na (gonna sing my song tonight) Na-na-na-na, na-na-na-na-na Na-na-na-na, na-na-na-na-na (gonna sing my song tonight) Na-na-na-na, na-na-na-na-na Na-na-na-na, na-na-na-na-na (gonna sing my song tonight) Na-na-na-na, na-na-na-na-na Na-na-na-na, na-na-na-na-na (gonna sing my song tonight) Happy birthday