Standard (EADGBE)

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 Happy birthday sweet sixteen

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 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 my 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

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