Spread your wings in our Papillon 2020 collection. The Piper PO858 is a fully lined, floor length, metallic jersey formal dress available in sizes AU 4-30. Please contact your nearest stockist for pricing and availability.

Burnt OrangeBurnt OrangeForestForestOceanOceanWhiteWhiteAquaAquaBlackBlackCobaltCobaltNavyNavyRedRed

The Piper PO858 Formal Dress by Tania Olsen Designs is a beautiful gown that is perfect for high school formals, proms and evening events. The Piper features a fitted bodice with a soft cowl neckline and spaghetti straps that meet a low, open lace-up back with ruching across the derrière. From the waistline falls a fitted mermaid silhouette floor length skirt with a high leg split. The garment is crafted from a deluxe jersey knit fabric which is soft and comfortable to wear and has an eye catching sheen. This formal or evening dress is available in Forest, Red, Navy, White, Cobalt, Aqua, Black, Burnt Orange, Ocean in sizes AU 4-30.

Features of the Piper Formal Dress PO858:

  • Fitted bodice
  • Subtle cowl neckline
  • Spaghetti straps
  • Ultra low strappy back
  • Fitted mermaid silhouette
  • Floor length skirt
  • Deluxe jersey knit fabrication 
  • Fully lined
  • Inner bra cups
  • Available in: Forest, Red, Navy, White, Cobalt, Aqua, Black, Burnt Orange, Ocean
  • Style code: PO858

All of our dresses are designed to be flattering for a variety of different body types, as most styles are available to order in sizes 4-30. To find your perfect fit, please contact your nearest Tania Olsen stockist for assistance with correct measurement and size selection.

Read about the 2020 Papillon collection here.

Additional information


Burnt Orange, Forest, Ocean, White, Aqua, Black, Cobalt, Navy, Red

Parent Colour

Black, Blue, Green, Navy, Orange, Red


Cross, Low, Open, Strappy


Deluxe jersey


Floor length


Cowl neck, Spaghetti strap


Fitted, Mermaid, Straight

Colour and Fabric

Colour’s displayed on your monitor may vary from the actual fabric colour. Please view a fabric swatch in person at your nearest Tania Olsen Stockist. Please note that each dye lot could vary up to 5% from the colour swatch shown in store and these should be used as a guide.


  • Available to order from sizes 4-30 and 4-30L (extra length)
  • We recommend having your measurements taken to select your size from the Tania Olsen Size chart. Store samples should not be used to select a size as they can change shape over time with different body shapes trying them on.
  • Alterations may be required for a tailored fit.