After four years of dating, fellow Canadians Alanis Morissette and Ryan Reynolds mutually decided to call off their engagement. Although Reynolds has moved on to Scarlett Johansson, so far Morissette hasn't written a follow-up song to her hit, "You Oughta Know." Albert L. Ortega/WireImage.com - July 28, 2007
Celeb Breakups of '07
Check out the celebrity couples who called it quits in 2007.