- Sydney, NSW, Australia
- "I don't understand why I do what I do. I don't understand why I act anymore. But I do know that I love it, and that I find it really interesting and satisfying to enter into other worlds and explore different ways of thinking." -- Vogue Australia, August 1998
- National Institute of Dramatic Art, Sydney, Australia; attended 18 months
- An accomplished musical theatre performer, she starred on Broadway in The Wild Party opposite Mandy Patinkin and was nominated for a Tony Award (2000).
- Won the Australian Film Institute Awards in 1994 for MURIEL'S WEDDING (Best Actress in a Lead Role), 1996 LILIAN'S STORY (Best Actress in a Supporting Role) and 1998 THE BOYS (Best Performance by an Actress in a Supporting Role). She was nominated for a 1991 supporting Award for SPOTSWOOD.
- Married musician Dave Galafassi (2003).
- Jonathan Rhys Meyers, actor; no longer together
- Father: Bob Collette, truck driver
- Mother: Judy Collette, customer-service representative
- Siblings: Collette is the eldest of three children
Credits:
- Hey Hey It's Esther Blueburger (2008)
The Black Balloon (2008)
Nothing Is Private (2007)
Evening (2007)
The Dead Girl (2006)
Like Minds (2006)
Little Miss Sunshine (2006)
The Night Listener (2006)
In Her Shoes (2005)
The Last Shot (2004)
Connie and Carla (2004)
Japanese Story (2003)
The Hours (2002)
Dirty Deeds (2002)
About a Boy (2002)
Changing Lanes (2002)
- Dinner With Friends (2001)
8½ Women (2000)
Hotel Splendide (2000)
Lilian's Story (1999)
The Sixth Sense (1999)
Velvet Goldmine (1998)
The Boys (1997)
Clockwatchers (1997)
Emma (1996)
The Pallbearer (1996)
Cosi (1996)
Lilian's Story (1995)
The Thief and the Cobbler (1995)
Arabian Knight (1995)
Muriel's Wedding (1994)
Spotswood (1992)
Nominated for Best Performance by an Actress in a Supporting Role 1999: THE SIXTH SENSE- 1 nomination