Emma Bunton and Holly Willoughby are among the famous faces behind Christmas Jumper Day this year.
The Spice Girl and This Morning presenter have donned reindeer antlers, elf hats and festive knits in aid of an annual festive fundraiser.
They will be joining a sea of big names as the charity Save the Children celebrates the 10th year of its festive campaign.
When is Christmas Jumper Day 2021?
Save The Children’s Christmas Jumper Day will be held on December 10 this year.
Christmas Jumper Day has raised more than £27 million for Save the Children since its launch back in 2012.
The fundraiser wants to make its most sustainable jumper day yet so is encouraging the public to upcycle an old jumper, borrow or buy a second-hand festive sweater this year.
What celebrities are taking part in Christmas Jumper Day 2021?
Holly Willoughby and Emma Bunton will be joining One show presenter and former footballer Alex Scott in the Christmas Jumper Day line-up.
Other famous faces backing the charity include Olympic boxer Nicola Adams and comedian Joel Dommett and Lee Ridley.
You will also recognise Good Morning Britain presenter Kate Garraway who has been spotted wearing a Christmas tree jumper and matching hat in the promotional shoot.
There is no shortage of big names involved in the campaign either with the likes of Celebrity chef Andi Oliver, actors Adil Ray and Adam Pearson, soap star Nina Wadia and TV doctor Dr Ranj Singh all dressing in their festive knits in name of the charity.
Some of TV's most recognisable reality stars are also supporting Save The Children this year, including: former Made in Chelsea star Georgia Toffolo and former Love Island star Wes Nelson.
Sign up for Save the Children's Christmas Jumper Day 2021 or find out how you can get involved via the charity's website.
House Rules
We do not moderate comments, but we expect readers to adhere to certain rules in the interests of open and accountable debate.
Read the rules here