Despite several reunion efforts, Selena Gomez and Justin Bieber could not stay together in 2013. (FameFlyNet)
Kristen Stewart and Robert Pattinson officially split on May 18, 2013. But could they be getting back together??? (Bauer-Griffin)
Miley Cyrus and Liam Hemsworth announced the end of their engagement on Sept. 16, 2013. (SplashNews)
We took the hint that Chris Brown and Rihanna were no longer dating when he said he was single on May 6. (Bauer-Griffin)
After a year of trouble, Khloe Kardashian filed for divorce from Lamar Odom on Dec. 13, 2013. (FameFlyNet)
Taylor Swift dumped Harry Styles on Jan. 4. He was trouble (ever since he walked in). (FameFlyNet)
Kris and Bruce Jenner announced their separation on Oct. 8. (Getty)
Nooo! Nina Dobrev and Ian Somerhalder split on May 9. (Jamie McCarthy/Entertainment/Getty Images)
Miranda Kerr and Orlando Bloom announced their plans to divorce on Oct. 25. (Jason Merritt/Entertainment/Getty Images)
Ryan Seacrest sent Julianne Hough home in March. (Kevin Winter/Entertainment/Getty Images)
Jane Lynch and Lara Embry announced their divorce in June of 2013. (Bauer-Griffin)
Another one bites the dust! Britney Spears and Jason Trawick ended their engagement in January. (Michael Kovac/Entertainment/Getty Images)