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