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