Dizon was born and raised in Las Vegas, Nevada. Her parents, a French-American mother and Filipino-Chinese father, are dealers in a casino.She is the fourth of six children: she has two older brothers, an older sister, and two younger brothers. In an interview, she explains that she grew up listening to rock and R&B music and trained in dance. Dizon graduated from Eldorado High School in 2004, where she was active in theater. She moved to Los Angeles, California, where she briefly attended college for film.
On October 10, 2008, Dizon married a Japanese stylist. She revealed that she was pregnant on her official website. These initial stages were chronicled and announced during Dizon's Communication!!! Album Tour several days after the marriage. Dizon was quoted as saying, "I have important news to tell you. I have actually got married! I'm pregnant, too. My family and I are very happy. Now, I think they'll have a lot of difficulties and changes. Of course, it is a little scary. But also, I am interested and looking forward to beginning a new life."The couple's daughter, Mila, was born on April 24, 2009