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