She majored in drama in the Creative and Performing Arts Program at Winston Churchill High School in Livonia, Michigan (fellow alumni include actress Judy Greer and musician Rosie Thomas) and majored in Musical Theatre Performance at Western Michigan University before moving to Los Angeles at age 19.
Her early work in Los Angeles included roles in the television series Two and a Half Men, Monk, Will & Grace, The Single Guy, Beverly Hills 90210, and Mister Sterling, among others.
Forester has also appeared in many pilots, including playing the wife of Saturday Night Live's Chris Kattan in the sitcom Enough About Me for ABC.
After moving to New York City in 2005, Forester booked the coveted contract role of "Cassie Layne Winslow" on CBS soap opera Guiding Light, replacing the originating actress, Laura Wright.
An avid knitter, Forester models on the cover of and inside the book Greetings from Knit Cafe by former CBS vice president, Suzan Mischer.