Biggest Breakups Of 2015: Hollywood Couples Who Called It Quits

Kaley Cuoco and Ryan Sweeting: The Big Bang Theory star Kaley Cuoco surprised everyone after suddenly calling her marriage off with Ryan Sweeting. The couple had been married for only two years and everything seemed to be going well. But in September it was made official that the two of them are splitting for good. Things certainly did not end at a good note as Kaley deleted all signs of Ryan from her social media, while Ryan has himself gone under the rock ever since they split.