Downtown OttawaHolt Renfrew240 Sparks Street
http://www.holtrenfrew.com/holts/en/stores/814/Ottawa/Canadian chain featuring high end designer labels. Look here for Theory, Nanette Lepore and your other favourite designers. Apparel, shoes and bags, accessories and beauty.
Located in the Sparks Street Mall....Ottawa's Historic Outdoor Pedestrian Mall / popular tourist destination. A hop, skip and jump from Parliament Hill.
http://www.sparksstreetmall.com/-------------------------------------
Rideau Centre50 Rideau Street....just up the street from Parliament Hill and right beside the Byward Market (tourist destination with food, shopping and more).
http://www.rideaucentre.net/Includes the following stores and more....
* Ottawa's largest Banana Republic with a dedicated petite store.
* Jacob - no petites but runs small and starts at XXS
* Aritzia - runs small
* Mexx - no petites but smaller European sizing
* Club Monaco - no petites but runs small
* Talbots - petites starting at 0P and XSP
* Lululemon Athletica - expensive workout gear but it will last forever. A must have if you want to look amazing while being active.