On the spookiest day of the year and we asked you to send in your Halloween costume pictures.
Whether you were dressing up as a zombie, spooky cat or ghoulish ghost - we wanted to see your snaps.
Check out the gallery to see the best - or is it the worst?
Earlier, we asked you what you're dressing up as - here's a selection of your comments.
I'm going as a dead cat in a pink tutu, black leggings, black top and all the cat things added. Plus bits of red Halloween make up. It's scarier than you would think!
Alexandra, Sheffield, England
I'm going to a party in my church hall and going as an Angel from heaven with feather wings and a feather halo and super sparkly wand!
Christiana, London, England
I'm in another country at the moment and it's horrible because they don't celebrate Halloween here! No trick or treating! I have brought my bat costume with me just in case.
Astrid, Kent, England
I have more of a unique costume...a raccoon! My dad doesn't like it though because we keep chickens!
Greta, Summerville, Canada
I'm going dressed as a zombified flying monkey from The Wizard of Oz! My sister is going as a zombie cheerleader.
Sadie, Wiltshire, England
This Halloween I am going to dress up as a quarter vampire, a quarter witch, a quarter rock-star and a quarter baby girl!!!!
Taylor, Birmingham, England
Hi, I know I am 11 years old but to go out trick or treating on Halloween is a classic! This is going to be one of my last years doing trick or treating, so this year I am dressing up as a zombie school girl.
Tia, Weymouth, England
I am going as Medusa from Ancient Greece, so watch out in town you might see some stone people!
Anise, Worcestershire, England
I am dressing up as Riddian from Wolfblood when he's changing into a wolf.
Louie, Cornwall, England
I am dressing up as a Vampires with bright red lips on! My sister Martha is dressing up as a scary witch with a warty nose!
Molly, Shropshire, England
I'm dressing up as a zombie schoolgirl with a tie. It's not exactly scary but it would give Gok a heart attack!
Emily, Oxfordshire, England
I'm going as countess Dracula, but I'm going to use the twice trick. It's were you go round to the houses twice!
Holly, Wigan, England
I'm dressing up as a witch and going to the Pleasure Beach to go on the spooky rides, see spooky people and then go to the beach and see all the people with scary costumes.
Kayla, Blackpool, England
I'm dressing up as the witches cat and going out with my sister and mum. We were going to dress our dog Rocky up but mum thought it was too silly.
Isobel, Cambridge, England
It is my birthday today, so me and 50 other people are going to my spooky Halloween party. Me and my friends are so excited.
Holly, Cornwall, England
I am dressing up as a wicked witch and going to have a very wicked hat. I am also going to get lots of treats. WA HA HA HA!
Mia, Somerset, England
Today I'm dressing up as a werewolf with big fangs and home made ears. I'm also going to a HALLOWEEN SLEEPOVER!
Holly, Isle of Wight, England
I am going as a double act with my best friend ! We are going as the devil and angel. I'm the angel! My costume is all about the glitter and hers is all about being a rebel!
Hannah, Derbyshire, England
On the Isle of Man, we celebrate Hop tu Naa which is basically the Manx version of Halloween. Instead of carving pumpkins we carve turnips. I dress up every year to scare people on the Ghost Trains I help with. This year I am dressing up in a black dress with red rags over the top. I also have a black, floor length cloak. Then, my make up looks like sunken eyes with veins. I'm really excited.
Niamh, Ramsey, Isle of Man
I'm going to dress up in old clothes, put fake blood all of my face and then smear my face with white make up cream. I'm going to look like a Zombie/Vampire. I also will wear my fake teeth.
George, Halifax, England
I'm dressing up as a cat, but I am not going trick or treating as I'm going to help my mum hand out sweets to the trick or treaters.
Zara, Surrey, England
I'm dressing up as a ghost. I have even got a glowing light that makes me look invisible. I wish I could fly!!!!
Amy, London, England
I'm dressing up as a vampire! I'm going to put fake blood all over my face.
Seb, Bath, England
Me and my friends are going as pink and black witches. We bought pink tights with cobwebs on them!
Aoife, Surrey, England
I'm dressing up as a gothic vampire. All water-proof just in case it rains!
Chloe, Surrey, England
I'm dressing up as the corpse bride.
I am dressing as the grey lady ghost and my best friend is coming as a minion with a bullet through her head, and we are going to go around singing the minion banana song.
Mia-Emma, Christchurch, England
I'm dressing up as a gothic bride with sparkly shoes!
Ellie, Southport, England
For Halloween I am dressing up as a zombie ballerina and lots of makeup to go with it!
Molly, Saltcoats, Scotland
I am dressing up as a witch with a scary mask, black hair and a hat. I also have a long dress and creepy spider web nails.
Nicole, High Wycombe, England
I'm going to dress up as a tiger. I have got glow in the dark vampire teeth too.
Aan, London, England
Me and my friends are going to go out as a broken dolly, a witch and a vampire.
Issy, Falmouth, England
I'm dressing up as...THE DEVIL with horns, a pitch fork, fake blood over my face and a red cape, it's going to be epic!
Megan, Co. Down, Northern Ireland
I am dressing up as a ghoulish vampire ghost and I'm going to have vampire fangs with fake blood and I'm also going to cover my face with white make-up and have scars on my face!
Brittney, Hampshire, England
I am going to be the witch's cat and my mum is going to be the witch! We made our costumes this year and we also made a broomstick and covered it in pumpkin patterns, we even made our own trick or treating bucket!
Phoebe, Didcot, England
I'm going as a cute black cat with a pin on tail and a glittery nose and whiskers with black mittens and a top with velvet leggings and my mum is going to be a leopard version.
Emily, Buckinghamshire, England
This year I'm dressing up as a pumpkin and so is my little sister, also were going trick or treating!
Georgia, Pontefract, England
I'm dressing up as a guy from the Croods in a morph suit!
Ben, Dundee, Scotland
I am going as a gothic vampire and one of my brothers is going as a Skeleton and my other brother is going to be The Incredible Hulk!
Ishbel, Dumfries, Scotland
I'm dressing up as a zombie school girl and going trick or treating with my friends after we make pizza and toffee apples!
Zoe, York, England
I'm spraying my hair red and curling my hair too. So ill be the perfect the mad hatter!
Pamela, Hereford, England
I'm dressing up as a rock star skeleton and I'm having black lipstick and spider web nails. I am going round my friends house for the day and going trick or treating with her.
For Halloween I'm dressing up as a zombie/dead school girl with fake blood dripping down my face.
Natasha, Weston-super-Mare, England
I am going as the angel of death and I made my costume without any help.
Adam, Ludlow, England
I may be dressing up as a ghost or zombie and paint my face.
Mia, London, England
I'm going as Elphaba from wicked the musical, with green face paint, a long black dress and a black hat - its perfect!
Abbie, Oxfordshire, England
I am dressing up as a skull girl and going trick of treating with my friends.
Morgan, Chester, England
Me and my best friend are dressing up as skeletons and my sister is dressing up as Miley Cyrus.
Mary, Hertfordshire, England
I am dressing up as a zombie bride with a wedding dress and a white face also with a scar.
Frankie, Essex, England
I am going as little red riding hood!
Maeve, Dorset, England
I'm going as a dead school girl and going trick or treating.
Neeve, Middlesbrough, England
I'm being a dead bride and a witch with loads of blood and hair extensions.
Mary, Surrey, England
I am dressing up as a witch with a hat which has green hair going down it and of course, a broom stick.
Emily, Northamptonshire, England
For Halloween I am dressing up as a wicked witch.
Lucy, Burton, England
I am dressing up as a skeleton.
Olivia, Lincolnshire, England
A zombie police woman with fangs!
Emily, Liverpool, England
I am dressing up as a witch for Halloween and so are my two sisters.
Lucy, Cornwall, England
For Halloween I'm dressing up as Hermione Granger at Hogwarts on Halloween with Hermione's wand.
Isabelle, Manchester, England
I'm going to be a witch this year with glowing bats on my dress.
Jessica, Stevenage, England
My sister and I made our costumes this year. I'm dressing up as a siren (half sea monster - half human) with fishnet tights, a net skirt and fins.
Jess, Gloucester, England
I'm going as a cat. It's really cheap though because everything is black.
Ellie, Nottinghamshire, England
I'm the only one in my class not dressing up as something scary! I'm going as Alice in wonderland.
I'm going to be a fairy, with black lipstick and thick black eyeliner. My clothes include a small black ruffle-skirt, black leggings and a black jumper to keep warm. It is scarier than you think!
Nicole, Cambridge, England
For Halloween I'm dressing up as a zombie ninja with fake blood and a fake dagger.
Oliver, Devon, England
I'm dressing up as a ghost bride, my Mum made the dress.
Sofia, Hampshire, England
I'm dressing as a witch and having a friend sleepover.
Hannah, Essex, England
I'm dressing up as the master of doom where no one can see my face.
Ewan, Cheshire, England
I'm dressing up as a giant Jack O'Lantern!
Farsya, Birmingham, England
I am dressing up as a vampire and it is my own costume I made.
Nikola, Ipswich, England
I'm dressing up as a mad scientist with blood everywhere and I will have an axe!
Maxi, London, England
I'm dressing up as a half vampire and half rock star. I'm wearing a leopard shirt, a leopard jacket, denim jeans and awesome purple star shoes. My Mum's face painting me half vampire too.
Indigo, Cambridgeshire, England
I am dressing up as the zombie from the parking lot and I made my brothers spider costume.
Kamila, London, England
For Halloween I'm going as a cat. MIOW!
Frances, Hampshire, England
For Halloween I'm dressing up as a vampire princess with red make-up with blood running down my chin!
Lucy, Derbyshire, England