Intro: 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 Verse 1: 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 Verse 2: 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 Bridge: 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 my funny valentine {N.C.} But since you've grown up {N.C.} Your future is sewn up From now on you're gonna be mine, so Verse 3: 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 {key change} {repeat verse 3, in 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 Coda {repeat to fade}: Tra la-la-la-la la-la-la-la Happy birthday sweet sixteen ambChile