Montijo started her career when she won the contest La Chica TV in 1993. After that, she starred in several telenovelas and shows.
In 2004, she participated in the reality show Big Brother VIP and ended up winning. During this time she was the girlfriend of mexican football star Cuauhtemoc Blanco. She also participated in the second season of Bailando por un Sueño (Dancing for a Dream).
In 2007, a sex video surfaced that featured a woman purported to be Montijo. Montijo repeatedly denied that she was the actress in the movie, assertions that proved correct when the actress in question was revealed as Latin porn star Monique Fuentes.