We’re uploading loads of them every day to this gallery so you can show-off your dress-up skills to all your mates!
Check out some of our fave photos below. If you spot yourself, let us know in the comments below!
Nathan, 5, is an Elf this World Book Day!
Jasper’s dressed as Bear Grylls!
Lucy, aged 9, is dressed as Matilda!
Savannah & Dominic are Postman Pat & Ben 10 Alien.
Phoebe-Jean’s dressed as Amy Cluckbucket!
Holly, 5, is Mildred Hubble, The Worst Witch
Tiffany is Mildred Hubble, The Worst Witch
George is Commando from the comic books!
Saoirse and Niamh is Thing 2 and Red Riding Wolf!
Megan’s Poppy/ Matilda from Shadow House
Noah, 8, has dressed as The Boy in The Dress!
Emily’s Pippi Longstocking!
Heidi and Darcy are both Gangsta Grannies!
Ana, 5, is The Little Mermaid!
This one’s very apt! Jamie, 11, is Jon Snow!
Luke, 11, is celebrating World Book Day as Burt!
Alex, 11, has dressed up as Wally from Where’s Wally!
Lucy, 6, is a turtle for an under the sea theme
Chris sent this to us on social media; It’s Roald Dahl from his RAF days and Isadora Moon!
Scarlett, 5, is the Little Mermaid!
Callum, 8, is the Tin Man this World Book Day!
Maddie, 9, is Shirley from “Wave Me Goodbye”!
Matilda is Wish from the Wizards of Once!
Sophie’s Mildred from The Worst Witch!
Rylie, 8, is celebrating World Book Day as Billionaire Boy!
Chloe and Amelia, 7 and 4, are sad as the snow has postponed World Book Day for them!
Erin, 7, is Gangsta Granny!
Amelia Fang from Amelia Fang and The Barbaric Ball
Kevin from Kevin by Rob Biddulph
Bethan, 10, is Miss Root from The Demon Dentist!
Teddy and Clara are Bert and Mary Poppins!
Jessica’s gone as Dorothy this World Book Day!
Megan’s The Mad Hatter and Alice from Alice’s Adventure’s
Megan, 11, is Adam Meltzer from Memoirs of a Neurotic Zombie!
Tippi and Ava are Orange crayon from the day the crayons quit and penguin from lost and found
Lewis is dressed as The Grinch!
Lacie, Brandon, Morgan are Repunzel, Walking with dinosaurs, Maleficent
Jack-James is Willy Wonka!
Sophie, 10, is the Mad Hatter this World Book Day!
Julia, 9, is Willy Wonka!
Maya, 8, is Tracey Beaker!
Daisy Wart from You Can’t Make Me Go To Witch School
Twins Eva and Matthew are Paddington and Mr Gum
Georgie’s dressed as Emmeline Pankhurst!
Ayden, aged 4, is dressed as PC Selby from Postman Pat
Erin’s dressed as Hermione!
Polly is the Hungry Caterpillar!
Aayushi, 10, is the Queen of Hearts!
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