[1] Valentine also co-wrote the songs, "Finest Hour" and "Never Gonna Be the Same Again" for the 1989 Halloween classic, Teen Witch and played the part of Shana the Rock Star in the film.

[2]Juno Award-winning composer and producer, Tony Green was present at one of the Milan recording sessions and took note of Valentine's talent.

Green had already been to the top of the charts for his Billboard Hot Dance Club Play number-one single, "Come to Me", performed by France Joli.

A formally trained pianist, Valentine also contributed percussion, keyboards, and backup vocals,[5] in addition to song writing on her records.

[2] After, "Secret Rendez-vous" and "Pickup The Pieces (To My Heart)" made the Billboard charts,[6] Alisha (RCA), Lori Ruso (Capitol) and European singer C. C. Catch (Polygram) recorded songs composed by Valentine.

Valentine co-wrote the title song for Repossessed (1990) with Charles Fox (known for his work on the television series Happy Days and Laverne & Shirley), and her hit single "Pickup The Pieces (To My Heart)" appears in the film Mannequin Two: On the Move (1991).

Composer Dominic Messinger and Valentine teamed in 1997, with credited works for the sequel to Mickey Rourke's Another 9 1/2 Weeks,[12] and the television series As the World Turns and Sirens.

Valentine's 1987 album was a departure from rock and roll into the dance and club music genre, Secret Rendez-Vous was released in Canada by Polygram.

The Teen Witch phenomena is fueled with regular television re-broadcasts, annual inclusion on ABC's 13 Nights of Halloween and midnight theater presentations where attendees dress in 1980s in fashion and singalong with the soundtrack.

Bruco (2005): A feature-length film, written and directed by Antonio D'Alfonso, starring Frank A. Caruso, Jennifer Dale and Cindy Valentine.

The Gentleman (2007): Directed by Joe Valenti, starring Jon Doscher, Rachael Robbins and Monica Leigh, Valentine was cast as Stacy.

[40] The Great Chameleon (2012): Directed by Goran Kalezic, Valentine plays the part of Luisa, starring Victor Altomare, Stacy Keach and Robert Davi.