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The Smooth Late Show with Danny Pietroni 10pm - 1am
20 March 2018, 22:51 | Updated: 27 March 2018, 23:02
Who would have thought these cute faces would have become such huge stars?
We've found a collection of pop royalty childhood photos, and it took us a while to name all of them!
How many of these throwback photos can you pick out?