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2 February 2012, 11:40
See if you can guess each pop star's baby picture in our brand new feature.
Ed Sheeran and Rihanna are two of the artists who feature in our new feature: celebrity baby pictures.
We've rounded up some of the cutest baby photos – and we want you to guess which music star is which.
One Direction's Harry Styles, Lady Gaga and Usher are also included in the countdown.
But it's up to you to guess which baby photo comes from which pop star's childhood picture album.
You can check out the full gallery by clicking the link below and don't forget to play along by posting your guesses in the comment forms at the bottom of each picture.