Kate Moss proved she is not just a pretty face when she came to the rescue of a guest who was suffering a hair crisis at a charity bash.

The supermodel popped to the ladies loos in top London hotel Claridges during the Marie Curie Fundraising Dinner.

A party insider revealed to The Daily Mirror that a girl's hair had started slipping out of place and her 'magic sponge', a device used for wrapping hair around to create a tight, neat bun, could be seen.

Kate, 38, saw the girl struggling to repair the damage and apparently told her: "I can't let another woman go out there with her sponge showing."

The model sat the girl down in front of the mirror, grabbed a hairbrush, pulled out all her hairpins and redid the hairstyle from scratch.

Kate stunned watching party-goers as she quickly finished the perfect hairstyle and told the girl she was ready to face the music again.

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