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All our sizes are listed in Australian sizing – and you’ll find a helpful conversion chart just below to make things easier, no matter where you're shopping from.
Our sizing is generally generous, but as we work with a range of amazing creators, there can be slight differences between styles. The best way to find your fit? Compare our garment measurements with something in your wardrobe that you already love.
Still unsure? Check out the reviews below – our community often shares helpful tips on fit!
And if you need a hand, our friendly customer care team is just a tap away via live chat.
* All measurements are guides only. Each item may vary 1-2cm from the listed measurement.
| Size | 1/2 Bust | 1/2 Waist | 1/2 Hem | Length |
| 6 | 33.5cm | 31.5cm | 38.5cm | 67cm |
| 8 | 36cm | 34cm | 41cm | 68cm |
| 10 | 38.5cm | 36.5cm | 43.5cm | 68cm |
| 12 | 41cm | 39cm | 46cm | 69cm |
| 14 | 43.5cm | 41.5cm | 48.5cm | 69cm |
| 16 | 46cm | 44cm | 51cm | 70cm |
| 18 | 48.5cm | 46.5cm | 53.5cm | 71cm |
| 20 | 51.5cm | 49.5cm | 56.5cm | 71cm |
| 22 | 54.5cm | 52.5cm | 59.5cm | 72cm |
| 24 | 57.5cm | 55.5cm | 62.5cm | 72cm |
| 26 | 60.5cm | 58.5cm | 65.5cm | 73cm |
| 28 | 63.5cm | 61.5cm | 68.5cm | 74cm |
| 30 | 66.5cm | 64.5cm | 71.5cm | 74cm |
| AU /NZ /UK | USA | Europe |
| 6 | 2 | 34 |
| 8 | 4 | 36 |
| 10 | 6 | 38 |
| 12 | 8 | 40 |
| 14 | 10 | 42 |
| 16 | 12 | 44 |
| 18 | 14 | 46 |
| 20 | 16 | 48 |
| 22 | 18 | 50 |
| 24 | 20 | 52 |
| 26 | 22 | 54 |
| 28 | 24 | 56 |
| 30 | 26 | 58 |
* All measurements are guides only. Each item may vary 1-2in from the listed measurement.
| Size | 1/2 Bust | 1/2 Waist | 1/2 Hem | Length |
| 6 | 13in | 12.5in | 15in | 26in |
| 8 | 14in | 13.5in | 16in | 27in |
| 10 | 15in | 14.5in | 16in | 27in |
| 12 | 16in | 15.5in | 18in | 27in |
| 14 | 17in | 16in | 19in | 27in |
| 16 | 18in | 17in | 20in | 28in |
| 18 | 19in | 18in | 21in | 28in |
| 20 | 20in | 19.5in | 22in | 28in |
| 22 | 21.5in | 21in | 23.5in | 28in |
| 24 | 23in | 22in | 25in | 28in |
| 26 | 24in | 23in | 26in | 29in |
| 28 | 25in | 24in | 27in | 29in |
| 30 | 26in | 25.5in | 28in | 29in |
| AU /NZ /UK | USA | Europe |
| 6 | 2 | 34 |
| 8 | 4 | 36 |
| 10 | 6 | 38 |
| 12 | 8 | 40 |
| 14 | 10 | 42 |
| 16 | 12 | 44 |
| 18 | 14 | 46 |
| 20 | 16 | 48 |
| 22 | 18 | 50 |
| 24 | 20 | 52 |
| 26 | 22 | 54 |
| 28 | 24 | 56 |
| 30 | 26 | 58 |
Maddy wears 20
165 cm tall
125 cm bust
97 cm waist
139 cm hip
Overall rating: 4.925 / 5 from 40 reviews.
Customers highly appreciate the Billi Rib Tee in Pistachio for its perfect sleeve length, gorgeous colors, high quality, and great fit. These aspects make it a popular choice among buyers.
Review topics: [fit, length, quality, colours, fabric, material, stretch, shirt, tee, tops, bum, option, top, wear].
"Purchased the size 16, same size as my billie tanks (I have 10 billie tanks, did have 11, but donated one in the recent Wear it Forward campaign). The tees are the same soft, gorgeous, stretchy fabric and the red pairs beautifully with black, oak and denim. Everyone needs a billie!!"
"If you love the Billi Singlet you will also love this shirt. It is the same fit and feel. I do like going up 1 size for the length though. A perfect laying shirt too"
"I’m busty (10E) and I’ve always struggled with tops that are either too baggy, don’t accomodate my bust, or not long enough in the torso. This one is perfect ❤️ I finally have a fitted top which is comfy and allows me to wear skirts 🎉 Also loving that I can easily tuck the fabric underneath itself to create different lengths, and it stays put. PP, please keep making these tops forever 🙏"
"Billi tees are THE bomb! 💣 Not only are these an amazing fit. . perfect sleeve length, and perfect tee length in the torso, but they wash & wear well, they are flattering and they come in THE most amazing colours which suit so many of the skirts & pants from Proud Poppy!"
"Great colour and comfortable fit. Good weight to the fabric, high quality"
"The Billi Rib Tee is such a staple essential . . . . I have started building my collection and have a few now and am definatale buying more. So comfortable and a great fit."
"I Love the Billi Rib Tee in all the colors, the pair so well with the pants and skirts. They are comfy and the perfect length. They wash well."
"These are my new favourite tees. Great fit and colour."
"The Billi Tees are so comfy, stretchy, and can be worn with so much. . please please give us more colours in the tees."
"This Barbie Pink tee is the best, it goes with so many skirts, or even just with a pair of jeans!"
