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