Margaret Isabel (Peggy) Robinson was born on August 21, 1955 in Red Deer, Alberta. As a child, her family moved to Calgary and then Edmonton. She graduated from McNally Composite High School in Edmonton in 1973.

In 1975, Robinson moved to Saskatoon, Saskatchewan and was enrolled in the Arts and Science undergraduate program at the University of Saskatchewan. Robinson was also employed as a lab technician for the University's Audio/Visual Department. She became Director of the U of S Photography Directorate and joined the Photographers Gallery in Saskatoon. In 1981, Robinson was Assistant Co-ordinator/Curator of the Photographers Gallery, as well as Associate Editor (Art) for Grain magazine.

Robinson also began singing with the a capella trio The Quinlan Sisters, a musical revue act, in 1981. She moved to Toronto, Ontario in 1982 to continue performing with the act. It was with The Quinlan Sisters that she adopted the stage name of Fiji Champagne Robinson. Robinson, along with Peter McGehee (Marie Quinlan) and Wendy Coad (Peaches O'Cod) performed as The Quinlan Sisters until 1984. Robinson performed with the vocal group The Beau Girls from 1985 to 1987 and paired with McGehee in 1987 to perform in the a capella musical revue act The Fabulous Sirs until 1990.

Since the late 1980s, Robinson has worked in the field of communications and marketing in a number of sectors, including post-secondary education, international development and human rights. In 2006, Robinson began producing short documentaries for her production company, Rudecat Pictures Inc. She has produced two short documentaries for the Saskatchewan Communications Network's (SCN) 15 Minutes of Fame series: The Tale of Tortellini, about Italian entrepreneur Aniello Marotta, Saskatoon's Prince of Tortellini; and Painted on the Spot: On the Road with Ernie Luthi, featuring the Saskatchewan artist.

Peggy (Fiji) Robinson currently (2010) resides in Saskatoon.