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