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