A few short weeks ago, news broke that Jake Gyllenhaal and Reese Witherspoon amicably parted ways after three years as Hollywood's cutest couple. Rumor has it that Reese wasn't ready to commit, but we'll probably never know the real reason why they ended things. Any ideas? Frazer Harrison/GettyImages.com - April 18, 2009
Celebrity Breakups of '09
From Jon and Kate to John and Jen, check out this list of 2009's biggest breakups.