A striking two piece set of heavy jersey knit, the Cassidy formal dress pairs an off the shoulder, cross-over crop top, with a beautiful high waist hourglass skirt.



The Cassidy formal dress is a two piece set made of a comfortable heavy jersey knit fabric that will sit smoothly only the body of the wearer. It has an off-shoulder crop top with textured criss-cross pattern, and a small cutout keyhole detail above the waist. Moving down, the skirt is a beautiful high waist skirt with an extravagant train on the back.

Style: PO708

Features of this gown:

  • Heavy jersey knit fabric
  • Crop top bodice
  • Keyhole detail at front
  • Crossover detail
  • Off shoulder; bardot style
  • Floor length
  • Subtle waist band
  • Dramatic train

The model is wearing Au size 8, she usually takes a standard size AU 8/Small, is 5’9″ (174cm) tall, has a 84cm bust, 102cm hips and a 68cm waist.

Tania Olsen Designs evening dress couture is woven with elegance and femininity which is most important to ensure that each collection provides a refreshing selection of modern, yet approachable pieces.

Distinctively luxurious fabrics in rich colours and soft pastel hues, flowing skirts, opulent beading and lace appliques define our range of gowns. Therefore, each dress creates a unique silhouette designed for diverse audience appeal, available in sizes 4-30.

Now available worldwide, Tania Olsen Designs’ versatile interpretations of classic design stems from a desire to provide more than just a dress. We are passionate about creating a truly beautiful experience for the wearer.

Additional information


Wine, Blush, Navy

Parent Colour

Navy, Pink, Wine




Jersey Knit


Floor length


Off shoulder, V-neck


Fitted, Mermaid

Ordering Information

  • Allow approximately 16 weeks for ordering some colours and sizes. Check with your nearest stockists for styles available for immediate dispatch. – Click here for further information


  • Available to order from sizes 4-30
  • 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.

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.