Toni Collette is an Academy Award-nominated Australian actress best known for her roles in The Sixth Sense (1999) and Little Miss Sunshine (2006).

She was born on November 1, 1972, in Blacktown, Sydney, New South Wales, Australia. She is the first of three children born to Bob Collette, a truck driver, and Judy Collette, a customer service representative. From age 6 she was brought up in suburban Sydney. At the age of 11 she showed her phenomenal acting skills when she faked appendicitis out of boredom and longing for attention; her act was so convincing that doctors had to remove her appendix, even though the test showed nothing wrong with it.

At 16, she left school and enrolled in National Institute of Dramatic Arts (NIDA). At that time she was a struggling actress, supporting herself by delivering pizzas. After 18 months of studies, she left NIDA for her feature film debut as Wendy Robinson opposite Russell Crowe and Anthony Hopkins in Spotswood (1992), and earned herself a nomination for Best Supporting Actress from the Australian Film Institute. Collette made her stage debut with the Sydney Theatre Company, as Sonya in Anton Chekhov's Uncle Vanya, a performance that won her a critic's circle award as Best Newcomer. She also appeared in stage productions at the Belvoir Street Theatre under directorship of Geoffrey Rush. In 1994 she won the Australian Best Actress in a Lead Role for her work in Muriel's Wedding (1994) for which she had to gain 40 pounds in seven weeks.

In 1995 Toni Collette came to Hollywood with a supporting role in The Pallbearer (1996), then had a string of supporting roles. Her first lead as Diana Spencer, an Australian woman who shares the name and birthday of Princess Diana, in comedy Diana & Me (1997), was obscured by the real Diana's death which practically occurred at the same time when the movie was released. Her breakthrough came with the role as Lynn Sear in The Sixth Sense (1999), for which she quite rightly won an Academy Award nomination for Best Actress in a Supporting Role. Her latest memorable role as Sheryl, a beaten-down but loving mother, in Little Miss Sunshine (2006), is also a fine ensemble work with Abigail Breslin, Greg Kinnear, Steve Carell, Paul Dano, and Alan Arkin.

Since 2003 Toni Collette has been married to musician Dave Galafassi, with whom she recorded her singing and songwriting debut album, titled 'Beautiful Awkward Pictures' in 2006. She co-owns an independent production company in Australia, and also continues her music career as a singer. Toni Collette is currently residing with her husband in Sydney, Australia, and owns a second home in Ireland.

Nominated for a 2000 Tony Award for her performance as "Queenie" in Michael John LaChiusa's musical "The Wild Party" on Broadway.

Gained 40 pounds in 7 weeks for Muriel's Wedding (1994) with the help of a dietitian.

Born on the same day as actress/model Jenny McCarthy.

Starred as Sonya in the Sydney Theatre Company's 1992 Production of Anton Chekhov's "Uncle Vanya".

Has two brothers.

Though she vowed not to gain any more weight for movie roles, director Curtis Hanson convinced her to gain twenty-five pounds for her role in In Her Shoes (2005). She believed it was important to her character's personality.

Dropped out of Australia's NIDA (National Institute of Dramatic Arts) in order to make her first film Spotswood (1992).

Toni sings with her band called the Finish and her husband, David Galafassi, is the Drummer.

Member of the jury at the Cannes Film Festival in 2007.

Toni and her husband, Dave, are expecting their first child [July 9, 2007] in December.