Do you recognise this Hollywood A-lister as a little girl?

Celebs are sharing childhood snaps for Universal Children's Day this Sunday

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It’s not often you get a glimpse into the childhood lives of big celebrities, but a host of stars have shared their baby pictures – in the name of charity.

Celebrities such as Stephen Fry, Kim Cattrall and Sharon Osbourne have shared their photographs on Twitter as part of the #5for5 campaign.

The campaign has been launched by Sarah Brown, wife of former prime minister Gordon Brown, to mark Universal Children’s Day on Sunday.

See how some of our stars looked from their baby pictures: 

Sarah is president of the charity Their World, which has launched the #5for5 campaign in support of the day.

Read more: Sharon Stone delivers powerful tribute to college girl

You can follow them on Twitter and share your own childhood pics to show your support.