Celebrity Breakups 2013: Couples Who’ve Called It Quits This Year (PHOTOS)

Thirteen was an especially unlucky number for these celebrity couples, who have all called it quits this year. From Liam Hemsworth and Miley Cyrus ;to Khloe Kardashian and Lamar Odom, the following high-profile twosomes have parted ways for a variety of reasons — from the age-old Hollywood excuse of busy schedules to the no-good-very-bad one of infidelity. Even the seemingly-immortal Ian Somerhalder and Nina Dobrev are not immune!

Click on for a 2013 breakup roundup. Kleenex and a pint of ice cream are recommended.