Shares the same birthday as actor Hugh Grant, Eurythmics musician Dave Stewart, actor Art LaFleur, and former president of Italy, Oscar Luigi Scalfaro.
Was roommates with Christina Ricci whilst filming Prozac Nation (2001) with her.
Loves reading in her spare time.
Dated singer/songwriter Andy Herod (of "The Comas") for two years. His latest album "Conductor" is about their relationship and his heartbreak after it ended. Michelle also features in the accompanying short film of the same name.
Her father Larry is a Commodities Trader and is divorced from her mother Carla.
Her father, Larry is a former Republican candidate for Montana State Senate.
At 16 won the Robbins Trading Company World Cup Championship of Futures Trading by turning $10,000 into $100,000. It is the second highest profit in the tournaments history.
The godmother of her daughter, Matilda, is actress, Busy Philipps.
Has one younger sister Paige and three older half siblings from her father's first marriage - Jason, Kelley and Sara.
Was on Entertainment Weekly's annual It List (2000)
Graduated from high school when she was 15.
Collects rare books. Owns a first edition of The Great Gatsby amongst others.
Legally emancipated from her parents at the age of 15.
First cast-member of "Dawson's Creek" (1998) to receive an Oscar-nomination.
Attended Santa Fe Christian High School.
Michelle and her fiancé, Heath Ledger, had a girl, Matilda Rose, on October 28, 2005 in Brooklyn, New York.
Wrote a script called "Don't Blink" which was sold, but never made.
Chosen as one of Teen People Magazine's "21 Hottest Stars Under 21." (1999)
Her ex-fiancé, Heath Ledger, died on January 22nd, 2008.
Dated Conor Oberst. Some songs for his band Bright Eyes are about her.
The godfather of her daughter Matilda is Jake Gyllenhaal.
Was one of ELLEgirl's 25 Favourite Hot, Young, Talented New Stars (2003)
Called off her engagement to Heath Ledger in September 2007.
Michelle Williams has become a minority owner in the WNBA's newest basketball team, the Chicago Sky