Addition Elle was a Canadian clothing store chain that sold plus-size clothing. It was established in Montreal and sold to Reitmans in 2001. It closed all 74 Canadian locations Aug 15, 2021.^[2] Addition Elle clothing line can now be found at sister store, Penningtons.^[3]

The name of the store (not affiliated with Elle magazine) is a pun on the French word additionelle, which translates to additional in English. The company was established in Montreal in 1980, and sold to Reitmans in 2001.^[4] Addition Elle had 139 locations across Canada.^[5] All clothing comes in at least a ladies' size 14 and goes up to size 26.^[5] The target demographic of the store is full figured women between 18 and 49 years of age. Some stores also sell bras and other lingerie items.^[6] Prior to the restructuring of Reitmans Ltd and the closing of all stores in Canada, Addition Elle stores were usually located in shopping malls, but a few were standalone big box stores.

Sportswear, career apparel, and casual designs are the basic staples of all Addition Elle franchises.^[7]

Jessica Biffi, who was a former contestant on the reality show Project Runway Canada, designed a collection of clothing for Addition Elle for the spring 2010 fashion season.^[8][9]