According to WebMD.com, a hernia occurs when a tear forms in the abdomen muscles and can lead to part of the stomach or intestine bulging through the hole. It is a common condition that can be exacerbated by strenuous activity and can strike regardless of one's physical fitness
The New York Post reported that the 47-year-old Confessions on a Dancefloor diva was taken to Los Angeles' Cedars Sinai Medical Center for the surgery. The newspaper said she was "pale and had no appetite" post-op.
But within two days, she was reportedly back at the Kabbalah Center. And on Wednesday, just a week after the surgery, she seemed to be in fighting form at London's Brit Awards.
The mother of reinvention attended the ceremony with her director husband Guy Ritchie. She was named the Best International Female Artist of the Year, and she later presented the Best Album statuette to Coldplay.
As expected, she has since made a full recovery.