Some of the world’s biggest stars are getting all wrapped up in a new charity campaign.

Britney Spears, Sarah Jessica Parker and Justin Bieber all donned their own monogrammed Alphabet Scarves from Matalan to raise money and awareness for the Alder Hey Children’s Hospital.

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Sarah Jessica showed her support for the cause in a baby pink scarf, while Britney chose black and Kylie modelled a mustard version.

The trio were joined by fellow stars Justin Bieber, Mel B, Glee star Lea Michele and Dame Helen Mirren, who all posed for selfies in their monogrammed scarves.

High street giant Matalan launches the Alphabet Scarves on Tuesday, with Matalan donating 100 per cent of the profits to Alder Hey Children's Hospital Charity.