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