Although she had just given birth to their twin daughters in December 2006, Kim Porter decided it was time to dump Sean "Diddy" Combs, her on-again/off-again boyfriend of 10 years. The couple also have a nine-year-old son together named Christian. Lester Cohen/WireImage.com - June 27, 2006
Celeb Breakups of '07
Check out the celebrity couples who called it quits in 2007.