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