9 Best Baby Fancy Dress Ideas That Are Simply Adorable

Kids wearing pumpkin costumes running around inside playing with their mum.

Having a new baby is a wonderful time filled with rewards and challenges.

Celebrating their first Halloween, Christmas and birthday are fun-filled times that are always made better with some adorable fancy dress costumes. If you're looking for some great fancy dress ideas for your baby, here at Kidadl we've done all the legwork for you.

With comfort and practicality in mind, there are so many options out there that would make a great addition to a family costume idea (mini-me costumes anyone?), or to just let your child shine on their own.

From superhero costumes to gorgeous Christmas fancy dress outfits, we have searched far and wide to bring you the best baby fancy dress clothes around.

Kidadl's Top Pick

1. Time To Dress Up Baby's Dragon Dress-Up Costume

Time To Dress Up Baby Dragon Costume.

If your baby likes to make their presence known, this could be the fancy dress costume for them. Time To Dress Up's colourful, bright dragon outfit is detailed and high quality, as well as being cosy enough to keep baby warm and comfortable. Plus, the wings are detachable so you can adjust for comfort. One of our favourite features of this costume is the ability to quickly change your child's nappy, as it is put on like a normal babygrow with poppers to fasten round the legs.

Main Features

  • Price: £28.95
  • Available in sizes 6-12 months, 12-18 months and 18-24 months
  • Snap fastenings for simple nappy changes
  • Safety tested to EN71 standards
  • Machine washable

Best For Adding A Personal Touch

2. Sparks And Daughters Personalised Little Pumpkin Halloween Sleepsuit

Sparks And Daughters Personalised Little Pumpkin sleepsuit.

If you're on the lookout for a sweet Halloween gift, or have a themed photoshoot in mind, this personalised baby bodysuit is perfect. Made completely from cotton, your baby will be snug and comfortable, and the personalised message on the front saying 'Little Pumpkin [baby's name]' adds a special touch. For a comfy little Halloween outfit that baby boys or girls aren't going to get fussy in, this option is a winner.

Main Features

  • Price: £18
  • Available in sizes newborn, 0-3 months, 3-6 months, 6-12 months and 12-18 months
  • Personalisation option for name on the front
  • 100% soft cotton
  • Popper fastening around the legs for changing

Best For All Year Round

3. The White Company Blue Fleece Bear Romper

The White Company blue fleece bear romper.

For something baby can wear all year round, this adorable bear romper ticks all the boxes. As soon as we saw this adorable cosy outfit with tiny bear ears, we couldn't resist adding it to our list. Whether you're going for a Goldilocks-themed family costume or simply think this would look un-bear-ably precious, The White Company has really pulled it out of the bag. Your baby will love dressing up in this snuggly fleece romper, and the blue and pink options are both equally sweet.

Main Features

  • Price: £30
  • Available in sizes from newborn to 24 months
  • Also available in soft pink
  • Machine washable

Best For Tim Burton Fans

4. Disney Store Jack Skellington Baby Costume Body Suit

Disney Store Jack Skellington baby costume.

For a baby fancy dress costume with a spooky touch, look no further than this Jack Skellington body suit, inspired by Tim Burton's 'The Nightmare Before Christmas'. If you love singing along to the Halloween tunes, and have a penchant for Burton's weird and wonderful work, this unisex option is fantastic for baby girls and boys alike. With a hat and bowtie to complete the fancy dress look, your baby is guaranteed to be the toast of Halloween Town.

Main Features

  • Price: £12
  • Available in sizes from newborn to 18 months
  • 100% cotton excluding trims
  • Popper fastenings for easy changing
  • Machine washable

Best For Superhero Fans

5. babyGap DC™ Graphic Bodysuit

babyGap DC Graphic Bodysuit.

With a Superman and Batman option, we're sure you'll Marvel at these super baby Halloween costumes! Washable and easy to change, these fancy dress costumes require minimal fuss, and the logo on the front means they are perfect for superhero fans. Available from newborn sizes, no baby is too young to rock these little outfits. We love the simplicity of these bodysuits, as they can be worn day-to-day, or easily jazzed up with accessories, leggings and shoes.

Main Features

  • Price: £16.95
  • Available in sizes from newborn to 24 months
  • Choose from either a Superman or Batman design
  • Soft knit with poppers for easy changing
  • Machine washable

Best For Toddlers

6. Time To Dress Up Baby's Cowboy Dress Up Costume

Time To Dress Up baby's cowboy costume.

Toy Story fans, this one is for you. If you have a mini Woody or Jessie on your hands, you can't go wrong with this all-in-one cowboy outfit. With an adorable fringed jumpsuit with poppers for on-the-go nappy changes, this fancy dress costume also comes with a matching cowboy hat. Suitable for children up to 2 years and machine washable, this no-nonsense outfit is perfect for adventurous kids.

Main Features

  • Price: £29.95
  • Available in sizes 0-6 months, 6-12 months, 12-18 months and 18-24 months
  • Poppers for easy changing
  • Machine washable

Best For Christmas Time

7. Sparks And Daughters Precious Gift Baby Sleepsuit

Sparks And Daughters precious gift baby sleepsuit.

Whether you're looking for an outfit for a newborn or a baby starting to toddle, this cosy and cute sleepsuit is cosy and cute for babies of all ages. With a fun 'Christmas present' design, this is a brilliant option for any Christmas family photographs, or of course, for a Christmas gift. Made from cotton, it's breathable and washable, and will feel nice and soft on baby's delicate skin.

Main Features

  • Price: £18
  • Available in sizes newborn, 0-3 months, 3-6 months, 6-12 months and 12-18 months
  • 100% cotton

Best For Newborns

8. Hungry Caterpillar Baby Outfit

Hungry Caterpillar knitted baby outfit.

For the ultimate in newborn fancy dress costumes, this absolutely adorable baby caterpillar costume is brilliant for anyone who loved reading Eric Carle's 'The Hungry Caterpillar'. A great idea for a themed newborn photoshoot, this little sleeping bag and hat combo also works as a fancy dress option for Halloween. Plus, the hat is perfect for wearing on chillier days once dress-up time is over!

Main Features

  • Price: £7.49
  • Suitable for newborn babies

Best For Colour Options

9. PatPat 2 Piece Baby Bat Jumpsuit

PatPat 2 Piece Baby Bat Jumpsuit.

This ultra high-quality bat-themed fancy dress jumpsuit is perfect for both baby girls and baby boys. Available in light grey, dark grey and black, this winged romper is perfect for a themed family outfit, or just as an adorable Halloween option. Made from 95% cotton, it's sure to keep baby warm and comfy, and the matching hat adds some serious extra cute points.

Main Features

  • Price: £28.48
  • Available in sizes 0-3 months, 3-6 months, 6-9 months and 9-12 months
  • Machine washable
  • Available in three different colours

Kidadl Best Buys selects the top parent-recommended products across the web for families of all ages. If you liked our suggestions for best baby fancy dress ideas that are simply adorable then why not take a look at the best baby tracksuits or the best baby tights to buy now.



At Kidadl we pride ourselves on offering families original ideas to make the most of time spent together at home or out and about, wherever you are in the world. We strive to recommend the very best things, that are suggested by our community and are things we would do ourselves - our aim is to be the trusted friend to parents. 

We try our very best, but cannot guarantee perfection. We will always aim to give you accurate information at the date of publication - however, information does change, so it's important you do your own research, double-check and make the decision that is right for your family.  

Kidadl provides inspiration for everything from family days out to online classes, arts, crafts and science experiments. We recognise that not all activities and ideas are appropriate and suitable for all children and families or in all circumstances. Our recommended activities are based on age but these are a guide. We recommend that these ideas are used as inspiration, that ideas are undertaken with appropriate adult supervision, and that each adult uses their own discretion and knowledge of their children to consider the safety and suitability.

Kidadl cannot accept liability for the execution of these ideas, and parental supervision is advised at all times, as safety is paramount. Anyone using the information provided by Kidadl does so at their own risk and we can not accept liability if things go wrong. 

Kidadl is supported by you, the users. When you buy through the links on our site we may earn a commission. As an Amazon Associate we earn from qualifying purchases.

All prices and product availability were correct at the time of publication.

We also link to other websites, but are not responsible for their content.