Moved to Manhattan at 16 and began work on her debut album.

Dropped out of high school after 11th grade when she secured a record deal.

Has a pizza named after her at a restaurant in her home town, Napanee, Ontario.

Is a vegetarian.

Married Derek Whibley from the band Sum 41.

Famously dated and shared tattoos with Brody Jenner of the reality show, The Hills.

Hit songs: Complicated, Sk8tr Boi, I'm With You, Losing Grip, My Happy Ending, Don't Tell Me, Fall to Pieces, What the Hell.

Received 5 Grammy nominations, including 1 for best new artist.

 Wrote the song Breakaway which was sung by Kelly Clarkson