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