Anyone who's a parent knows keeping your child in the same outfit all day - let alone clean in that outfit - can be quite the challenge. It's even tougher when you're invited to a wedding and your little one is expected to wear something special for the occasion.
Don't worry, we've found the comfiest and cutest wedding outfits for babies and toddlers that look the part too.
You'll find our top picks split into outfits for baby boys and girls, and then suits and dresses for toddlers. Wearing a special outfit is a sure-fire way to make them feel grown up and part of the celebration. And many of these outfits are perfect for flower girls and page boys as well as little guests!
With something for every budget, enjoy these wedding baby outfits and wedding outfits for toddlers.
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Navy and White Four Piece Shirt Set - £22, Next
The stretchy bodysuit has a fun shirt effect on top and comes with fully-lined cotton trousers, little braces and a navy bow tie. It's available in sizes from newborn to two years and is a great options for young babies that looks super smart.
Mint Green 2-Piece Set and Braces - £14.99, H&M
Are you swooning as much as us at this adorable mint green set? Coming with a light linen and cotton grandad collar shirt and fully adjustable shorts with elasticated braces, it's an absolute steal for less than £15. We love the imitation leather details on the braces which make it look much more expensive. This is available for four months and up, and is soft and airy.
Westone Stone Baby Boys Short Set - £41.50, Emile et Rose
We love these matching sets for brothers. If you're looking for affordable wedding outfits for boys, then these sets are just over £40 each and suit plenty of smart occasions. Available in sizes from one month to four years, your boys will look perfectly turned out in this smart top and shorts set.
Smart Shirt Bodysuit Set - £20, Next
Looking for something a little more funky and patterned? This set has a smart shirt bodysuit with little bears on, and comes with smock detailed shorts and a little pair of socks (we can't promise both socks will survive the wedding). The poppers are nickel-free to protect against skin irritation. You can get these in three different colourways (the red gingham are gorgeous!) and in sizes from newborn to three years.
Mateo Ivory and Grey Romper - £69.99, Roco Clothing
If you're looking for a statement outfit, the satin-like shimmer of this romper makes it look super special. It's a stylish option for a formal wedding, while being easy to wear and to get on. Grey is such a versatile colour that works with any styling. Your little one will love wearing this. Available from three months to 24 months.
Two-Piece Linen Set - £17.99, H&M
This full linen set would be perfect for a destination wedding or summer wedding. It's wonderfully comfortable and cool, and it looks incredibly smart. The sleeves and shorts have trendy turn-up hems and we love the little buttons and pocket. Picture it with a little hat! Available in sizes newborn to four years.
Cord Dungarees and Jersey Bodysuit Set - £20, Next
Does this not give you such strong Prince George vibes? It's the dream mix of chic nostalgic dressing and contemporary cool. Cord is a very in fabric at the moment, but those little ships on the lapel scream old-fashioned charm. We're utterly obsessed. Available from newborn to three years.
Stone Grandad Shirt Baby Short Set with Braces - £24, JoJo Maman Bebe
The braces are built into these shorts so you know you aren't about to lose one crucial part of this adorable outfit. The grandad collar bodysuit is seriously handsome and will guarantee your baby steals the spotlight! Available from newborn to 24 months.
Grey Double Breasted Waistcoat, Short and Bow Tie Set - £25, Next
What a handsome young gent! Double breasted waistcoats are very on trend and elevate any outfit. This suit set is really stylish and comes with that adorable pocket square too. Available in sizes from three months to seven years.
Floral Dress With Matching Knickers - £18, Next
Patterned with hummingbirds, butterflies and flowers, the print on this dress is absolutely gorgeous. The dress is 100% cotton and comes with matching knickers that are also cotton so the whole outfit is breathable. Available in sizes from newborn to two years old.
There's a coral version too that's colourful and charming.
3D Flower Ombre Dress - £55, Monsoon
How darling is this dress! Finished in pastel ombre flowers, its full of texture and movement. It's available from newborn to three years, and each age group will get something different out of it: the flowers will be exciting to grab onto for younger children, while toddlers will love how floaty the skirt is for twirling.
Tulle Skirt Bodysuit Dress - £7.99, H&M
Available in sizes from newborn to nine months, this adorable sparkling dress is something really special. The soft, organic, powder pink cotton jersey bodysuit has been topped with double-layered shimmering tulle, and a sewn-on bow at the waist is the cherry on top.
It comes in blue for four months and up too.
Mini Cuddles Baby Under the Sea Dress - £10, John Lewis
At such great value, this dress is the ultimate bargain baby girl wedding outfit. The cotton bodysuit is topped with a skirt and mesh outer that feature pretty ruffles and underwater characters. It's playful and perfect for a seaside wedding! Available from newborn to 24 months.
READ MORE: 27 Fun Wedding Favour Ideas for Children
Summer Floral Babysuit - £49, Rachel Riley
Rachel Riley is the queen of cute childrenswear and the vibrant floral print on this babysuit is so romantic, summery and delicate. Florals will suit every wedding theme so are a great choice for outfits for your baby girl. This suit comes with a sweet Peter Pan collar, puff sleeves and pink ric rac trim. Available from three months to 18 months.
Broderie Anglaise Dress - £8.99, H&M
Broderie anglaise is one of our favourite looks for summer wedding, and this classic style looks charming on babies in any of the three colourways - white, light pink and yellow. This summery lemon tone is our top pick and again, the bodysuit is a soft organic cotton jersey for ultimate comfort. Available in sizes from newborn to nine months.
Heirloom Collection Baby Meadow Floral Dress - £32, John Lewis
Coming with matching knickers, this dress set is sweet and smart. It's a brilliantly wearable piece that will last far beyond the wedding day and is made from sustainable cotton which makes it all the sweeter! Available in sizes from newborn to four years.
Frill-Trimmed Dungaree Shorts - £7.99, H&M
Twin with your mumma in cute monochrome polka dots! These frilly dungaree shorts are lightweight and elasticated for ease of wearing, while looking insanely cute. Team with a little white t-shirt underneath. Available in sizes from newborn to nine months.
Baby Rosette Lace Dress - £50, Monsoon
How elegant is this candy pink dress of dreams. Created with floral lace, 3D roses, layered tulle and a silky ribbon tie at the waist, it's a gorgeous occasion dress that'll make her feel like a princess. Available in sizes from newborn to three years.
Cherry Babysuit - £49, Rachel Riley
Sweet and cheeky, this all-over cherry print will have guests cooing. This soft cotton babysuit is finished with frills at the shoulder and a charming little bow at the chest. Perfect for a summer wedding and guaranteed to keep baby cool. Available from three months to 18 months.
Three Piece Set with Bow Tier - £17.99, H&M
This sweet short-sleeved tan shirt, waist coast and trouser set is ideal for a summer wedding. It comes in sizes from four months to four years, and is great for a little guest to run around in. The bow tie has an adjustable elastic strap, but if your child doesn't like wearing it, the outfit looks just as good without.
The set also comes in this gorgeous light blue colour which would be ideal for little page boys.
Nathan Chambray Three-Piece Suit Set - £45, Monsoon
Many outfit sets for boys come with shorts, but here we've got a pair of smart, tailored trousers that make it a great choice for cooler days. The three-piece outfit includes a lightweight shirt with a mandarin collar and braces, plus you can add the matching blazer for £49.99. It's available for sizes from three months to 12 years.
Marinho Boys Tartan Outfit - £79.99, Roco Clothing
Available in sizes 12 months to four years, this tartan print shorts combo is made for the well dressed young gent. With red, blue and navy, it's a contemporary take on traditional tartan and is offset by a matching white shirt. If there's Scottish in your blood, this is the dream ensemble.
Tailored Linen Blazer, Shirt and Shorts - Sold Separately, Mayoral
Each part of this outfit is wedding worthy in its own right, but works brilliantly as a full look. They'll be worn plenty of times after the big day so these are great value investment pieces. The blazer is £53.50, the shirt is £25.50 and the shorts are £29.99. Available from ages two to nine years.
Embroidered Kurta - £13, Next
Made from pure cotton, this tunic is embroidered on the front and back and is ideal for Asian wedding celebrations. You can actually get the kurta in a range of colours, from blue to white, and in two different lengths. It's available in sizes from three months to seven years.
Tristao Boys Navy Tuxedo Suit - £129.99, Roco Clothing
If you're making the effort for a black tie wedding, your little man needs a luxe tux too. This set includes dungarees, shirt and jacket that'll match his Dad perfectly. This is crafted in Portugal from high quality velvet and will be the fashion highlight of the wedding - expect the compliments to roll in! Available in size six months to four years.
Mini Boys Grey Check Suit - £45, River Island
The check fabric of this suit is seriously sharp. Your little one will look dapper in this trouser and waistcoat set that comes with a bow tie too. The suit is made of 100% cotton and is machine washable so it's comfortable, long-lasting and easy to clean if any of the wedding takes place outdoors. Available in sizes from six months to five years.
Tiered Dress - £10, Next
The print on this dress is utterly charming. With rainbows, kites, rabbits, strawberries, fairies, ladybirds and more, its like stepping into a children's story. There'll be so much to look that it'll keep your toddler occupied during quieter moments. How about giving them some paper and getting them to draw their favourite things on their dress? It's available for three months to seven years.
Pacific Dress - £72, Benedita
Dancing and swirling around are so much fun in a pretty tired dress like this one. You'll never want to stop twirling! The Pacific dress comes in a lovely sky blue with lace shoulder ruffles and open work on the tiers for the ultimate pretty party dress.
Mini Boden Baby Hot Air Balloon Pinnie Dress - £34, John Lewis
A whimsical, colourful pinafore is ideal for a wedding with lots of colour. This one features a hot air balloon, fluttery flowers and an adorable bunny rabbit. The light cotton seersucker fabric offers all-day comfort, as do the elasticated waist and soft lining. Available from newborn to four years.
Baker By Ted Baker Floral Dress - £32, Next
Made for twirling! This pretty Ted Baker dress has a statement rose print and colour-contrasting top and skirt for a really lovely little wedding guest outfit. There's a pure cotton lining for comfort. Available in sizes from 12 months to six years.
Macey Ombre Blue Foil Print Dress - £50, Monsoon
This enchanting dress gives us strong Disney princess vibes and will look perfect at a luxury wedding. The gold foil print adds warmth to the cooling ombre tones, making it ideal for every season. The ribbon bow at the side tops the whole look off. Available in sizes from newborn to three years.
Fuji Dress - £59.50, Benedita
This playful, '70s inspired dress is so much fun. It features a stitched apple on the front, blue zig zag trims and red buttons down the back. Available in sizes from 12 months to eight years.
Morris & Co Honeysuckle Shirred Cotton Dress - £21, Next
How pretty is this dress featuring a lovely William Morris floral print! Every aspect of this dress makes us want it in an adult size, from the shirred bodice to the puff sleeves and tiered skirt. We'll settle with a delightful toddler version - this comes in sizes from three months to seven years.
READ MORE: How to Keep Kids Entertained at Your Wedding
Frugi Kids' Alma Organic Cotton Stripe Dress - £31, John Lewis
Meet summer in a dress! With a colourful rainbow appliqued on the front of the seersucker cotton, this sunshine-filled dress is perfect for little ones who want to adventure outside. It would look dreamy at an outdoor or festival style wedding.
For any pregnant brides, we've also got a great guide to the best maternity wedding dresses!