• Kaley Cuoco-Sweeting seen here with her husband Ryan Sweeting in their happier days.

Kaley Cuoco-Sweeting seen here with her husband Ryan Sweeting in their happier days. (Photo : REUTERS/Mario Anzuoni)

After just 21-weeks of marriage, "Big Bang Theory" Kaley Cuoco-Sweeting took the world by surprise when she shockingly announced divorce from her husband Ryan Sweeting, citing "irreconcilable differences" as the reason for the split.

The couple who was known for parading their affection for each other on social media has deleted all the pics of themselves as couple from their respective accounts.

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Although, both Kaley Cuoco and her Tennis star husband are keeping mum on the subject, it is being rumored that it was the actress who decided to end the marriage as there was immense lifestyle differences.

Although the couple announced their decision to part ways on Sept. 25, the date of separation mentioned in the court application is Sept. 3, which implies that the coupe has been living apart for at least three weeks before taking the final plunge.

The Bahamian-born Tennis player, who was suffering from an injury and was recovering at home, reportedly became a party-pooper in the fun-loving actress' life lately.

"They had a lot of good times together, but the change in his demeanor following his injury made him different from the person she fell in love with," Hollywood Life quoted a source close to the couple who further added that she ultimately decided to move on.

It has also emerged that not only the actress was the one to pull the plug on her marriage, she is also in a hurry to get over with the divorce process. The couple reportedly had a prenuptial agreement in place, signed on Nov. 20, 2013, which will ensure the divorce to finalize quickly and efficiently, E!News reported.

The former couple got engaged in September 2013 after just three months of dating and tied the knot on same year's New Years Eve. Earlier this year, the actress even took to Instagram to laugh off split rumors by posting several love-filled pics before announcing divorce on Sept. 25, Friday.