. Tra la-la-la-la la-la-la-la Happy birthday sweet sixteen Tra la-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 a you were ten we didn't like each other When you were thirteen You was 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-la Happy birthday sweet sixteen Tra la-la-la-la la-la-la-la Happy birthday sweet sixteen Tra la-la-la-la la-la-la-la Happy birthday sweet sixteen Tra la-la-la-la la-la-la-la