Where can one purchase Per Una dresses?

* Marks & Spencer: Per Una dresses are available at Marks & Spencer stores in the UK and online.

* ASOS: ASOS is an online fashion retailer that carries a wide variety of Per Una dresses.

* John Lewis: John Lewis is a department store chain in the UK that sells Per Una dresses.

* House of Fraser: House of Fraser is a department store chain in the UK that carries Per Una dresses.

* Next: Next is a clothing retailer in the UK that sells Per Una dresses.

* Zalando: Zalando is an online fashion retailer that sells Per Una dresses.