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!
Maya, 8, is Tracey Beaker!
Phoebe-Jean’s dressed as Amy Cluckbucket!
Sophie’s Mildred from The Worst Witch!
Erin, 7, is Gangsta Granny!
Polly is the Hungry Caterpillar!
Alex, 11, has dressed up as Wally from Where’s Wally!
Georgie’s dressed as Emmeline Pankhurst!
Rylie, 8, is celebrating World Book Day as Billionaire Boy!
Tippi and Ava are Orange crayon from the day the crayons quit and penguin from lost and found
Amelia Fang from Amelia Fang and The Barbaric Ball
Lewis is dressed as The Grinch!
Jack-James is Willy Wonka!
Heidi and Darcy are both Gangsta Grannies!
Maddie, 9, is Shirley from “Wave Me Goodbye”!
Chris sent this to us on social media; It’s Roald Dahl from his RAF days and Isadora Moon!
George is Commando from the comic books!
Jessica’s gone as Dorothy this World Book Day!
Tiffany is Mildred Hubble, The Worst Witch
Teddy and Clara are Bert and Mary Poppins!
Matilda is Wish from the Wizards of Once!
Scarlett, 5, is the Little Mermaid!
Ayden, aged 4, is dressed as PC Selby from Postman Pat
Aayushi, 10, is the Queen of Hearts!
Holly, 5, is Mildred Hubble, The Worst Witch
Erin’s dressed as Hermione!
Savannah & Dominic are Postman Pat & Ben 10 Alien.
Emily’s Pippi Longstocking!
Saoirse and Niamh is Thing 2 and Red Riding Wolf!
Lacie, Brandon, Morgan are Repunzel, Walking with dinosaurs, Maleficent
Luke, 11, is celebrating World Book Day as Burt!
Julia, 9, is Willy Wonka!
Callum, 8, is the Tin Man this World Book Day!
Chloe and Amelia, 7 and 4, are sad as the snow has postponed World Book Day for them!
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
Lucy, aged 9, is dressed as Matilda!
Megan’s The Mad Hatter and Alice from Alice’s Adventure’s
Jasper’s dressed as Bear Grylls!
Sophie, 10, is the Mad Hatter this World Book Day!
Megan, 11, is Adam Meltzer from Memoirs of a Neurotic Zombie!
Kevin from Kevin by Rob Biddulph
Twins Eva and Matthew are Paddington and Mr Gum
Nathan, 5, is an Elf this World Book Day!
Ana, 5, is The Little Mermaid!
This one’s very apt! Jamie, 11, is Jon Snow!
Lucy, 6, is a turtle for an under the sea theme
Noah, 8, has dressed as The Boy in The Dress!
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