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