PO840 Side
PO840 Back
Tania Olsen Designs 2019 by Dave Blake N017071 2019 07 02 14 23 44


Spread your wings in our Papillon 2020 collection. The Katie PO840 is a fully lined, floor length, deluxe jersey formal dress available in sizes AU 4-30. Please contact your nearest stockist for pricing and availability.

Pale blue
Rose Pink

The Katie PO840 Formal Dress by Tania Olsen Designs is a beautiful gown that is perfect for high school formals, proms and evening events. The Katie features a thinly belted bodice with a soft cowl neckline and spaghetti straps that meet a low, open lace-up back. From the waist falls a straight, floor length skirt with leg split and gathering details through the middle; making it an ultra flattering choice for any size. The garment is crafted from a deluxe jersey knit fabric which has a delicate sheen; catching the eye. This formal dress is available in Pink, Forest Green, Black, White, Navy, Aqua, Cobalt, Pale Blue, Red, Teal, Vintage White, Lilac, Sage, Rose Pink in sizes AU 4-30.

Features of the Katie PO840 formal dress:

  • Spaghetti straps
  • Subtle cowl neckline
  • Thin belted waistband
  • Crossover strappy back
  • Tie ribbon detail
  • Gathered wrap skirt
  • Deluxe jersey fabric
  • Wide leg split
  • Floor length
  • Fully lined
  • Inner bra cups
  • Back zipper
  • Available in: Pink, Forest Green, Black, White, Navy, Aqua, Cobalt, Pale Blue, Red, Teal, Vintage White, Lilac, Sage, Rose Pink
  • Style: PO840

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.

For more formal and evening dress inspiration, take a look at our Pinterest.

Additional information


Burnt Orange, Forest, Pale blue, Rose Pink, White, Aqua, Black, Cobalt, Lilac, Navy, Pink, Red, Sage, Teal

Parent Colour

Black, Blue, Green, Orange, Pink, Purple, Red, Vintage White


Cross, Low, Open, Strappy


Deluxe jersey


Floor length


Cowl neck, Spaghetti strap


Fitted, 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.