Mary Jo Eustace

Mary Jo Eustace is a Canadian actress, singer and sous-chef best known as co-host of the Canadian cooking TV series What's for Dinner? and, more recently, as the former wife of Dean McDermott.

Eustace was born and raised in Toronto. She attended Jarvis Collegiate Institute and McGill University studying English. She later graduated from George Brown College's culinary program.

Eustace moved to Los Angeles when McDermott went south to develop his acting career. They had two children, Jack Montgomery (born October 1998) and adopted daughter Lola (born July 2005). However, McDermott left Eustace to marry Tori Spelling and quickly became tabloid fodder. Eustace has since returned to Canada with her children and completed the adoption of Lola as a single parent. Eustace wrote about the break-up of her marriage in the book The Other Woman: Twenty-one Wives, Lovers, and Others Talk Openly About Sex, Deception, Love, and Betrayal.

Eustace appeared on What's for Dinner?, one of Life Network's most popular series, with Ken Kostick throughout its run during the late 1990s. Later, she served as a regular on Canada AM. In April 2007, Eustace reunited with Kostick as the original morning hosts of What's for Breakfast on new Toronto radio station PROUD FM, a station licenced to appeal to the city's LGBT community. Mary Jo stepped down from the show in June 2008, and subsequently co-hosted He Said, She Said with Ken and Mary Jo, a cooking show similar to What's for Dinner? on W Network which debuted in July 2008.

In 1994, Eustace recorded a solo musical album entitled Bone & Marrow.