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: 
 
Db5 F5 
Tonight's the night I've waited for 
Bb5 Db5 
Because you're not a baby anymore 
Gb5 G5 Db5 Bb5 
You've turned into the prettiest girl I've ever seen 
Eb5 Ab5 
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 
Eb5 Ab5 Db5 
Happy birthday sweet sixteen 
 
Bridge: 
Ab5 
When you were only six 
Db5 
I was your big brother 
Ab5 
Then when you were ten 
Db5 
We didn't like each other 
Bb5 
When you were thirteen 
Eb5 
You were my funny valentine 
Eb5 {N C } 
But since you've grown up 
Eb5 {N C } 
Your future is sewn up 
Ab5 
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 
Eb5 Ab5 Db5 A5 
Happy birthday sweet sixteen 
 
{key change} 
 
{repeat verse 3, in 
D5 
 
D5 F#5 
If I should smile with sweet surprise 
B5 D5 
It's just that you've grown up before my very eyes 
G5 G#5 D5 B5 
You've turned into the prettiest girl I've ever seen 
E5 A5 D5 
Happy birthday sweet sixteen 
 
Coda {repeat to fade}: 
 

D5 B5 
Tra la-la-la-la la-la-la-la 
G5 A5 
Happy birthday sweet sixteen