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