Born on January 12, 1987 in North Bay, Ontario, Muise was discovered at the age of 14 in a Barrie mall by Michèle Miller, owner of the International Model Management agency, who also discovered Jessica Stam. She is an only child. Muise is of Irish, French and Native American descent.
Muise has modelled for major brands, such as Emporio Armani, Bloomingdale’s, Intimissimi, Pantene, Kenneth Cole, Urban Outfitters, FCUK, shot for GQ, Allure and other magazines.
Muise has also starred in commercials for the Playboy VIP for Him and Her fragrances.
In 2005, she appeared in the Victoria’s Secret 10th annual fashion show, also walking the runway for them in 2006 and 2007. She has walked for shows that include Abaete, Lacoste, Lela Rose, Yigal Azrouel, Nanette Lepore, Julien Macdonald, Oscar de la Renta, Trovata, and Dolce & Gabbana. She appeared on Project Runway, walking for designer Santino Rice in the season finale.
After her career as a model, she would like to become a shoe and jewelry designer.
In 2006, Fashion Television documented a day in her life. In 2010, Muise toured as an interviewer with The Black Eyed Peas through America for will.i.am’s own show Hangin’ Wit the DJ.