Tra la la la la la la la Happy birthday sweet sixteen Tra la la la la la la la Happy birthday sweet sixteen Tonight's the night I've waited for Because you're not a baby anymore You've turned into the prettiest girl I've ever seen Happy birthday sweet sixteen What happened to that funny face My little tomboy now wears satins and lace I can't believe my eyes you're just a teenage dream Happy birthday sweet sixteen When you were only six I was your big brother Then when you were ten We didn't like each other When you were thirteen You were a funny Valentine But since you've grown up Your future is sewn up From now on you're gonna be mine so If I should smile with sweet surprise It's just that you've grown up before my very eyes You've turned into the prettiest girl I've ever seen Happy birthday sweet sixteen If I should smile with sweet surprise It's just that you've grown up before my very eyes You've turned into the prettiest girl I've ever seen Happy birthday sweet sixteen Tra la la la la la la la Happy birthday sweet sixteen Tra la la la la la la la Happy birthday sweet sixteen Tra la la la la la la la Happy birthday sweet sixteen.....