Can you guess which singer this is?

Last updated at 14:16
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Can you guess which singer this is?

It's always embarrassing when your mum or dad shows pictures of you when you were little.

But this celeb has CHOSEN to share this video with her MILLIONS of fans online.

It's from her third birthday...but today she turns 25.

She's a really famous singer so can you guess who it is?

Watch and all will be revealed!

Comment below to let us know if you got it right.

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