Guaty was born in California of Hispanic descent. Her family is originally from the Canary Islands and she has lived in California and New York City. Camille auditioned for Popstars, a reality TV show that aired on the WB Network in 2000. She made it to the L.A. Workshop that included only the best 26 contestants. In the end, Camille was 1 of 10 semi-finalists.
In 2002, Guaty appeared in the movie Gotta Kick It Up!, a Disney Channel Original movie. She also had the lead role in the short-lived TV series The Help, with Mindy Cohn, Tori Spelling, and Antonio Sabato Jr.
In 2005, Guaty had a role as Maricruz Delgado, the girlfriend of Fernando Sucre in Prison Break. Most recently, she is featured as Franny Rios in ABC's The Nine.