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