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