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