Tania Olsen Designs

Isla Formal Dress



Looking for a bold, unconventional style to stand out from the crowd? Isla was made just for you. With strong lines and soft pleats she’s the daring style you NEED in 2024! Available up to AU size 30 so that everyone can love her.

  • Strapless bodice
  • Softly draped pleats along waistline
  • High leg split
  • Straight back
  • Fitted silhouette with a short train
  • Pleated sash at the back (because we love the drama!)
  • Inner bra cups and fully lined
  • Invisible back zip
  • Plus size available! You can order any formal dress from our La Belle Collection in sizes AU 2-30/US 00-26
  • Fabrication: soft satin

We believe that everyone should be able to wear their dream dress, no matter their shape or size. We are proud that most of our gowns can be ordered from AU 2-40/US 00-36.

View our size guide for more information.

We don’t sell direct but you can find our dresses in more than 400 global retailers!

To find your nearest store, to head over to our Boutique Finder.