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