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