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