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FILE - This Dec. 15, 2012 file photo shows singer Lady Gaga performing at the Prudential Center in Newark, N.J. Live Nation Global Touring announced on Wednesday, Feb. 13, 2013 that the singer has canceled the remainder of her tour due to a hip injury that will require surgery. (Photo by Evan Agostini/Invision/AP, file) Image Credit: Evan Agostini/Invision/AP

Lady Gaga needs surgery after suffering from a concert injury, which has led to the cancellation of her “Born This Way Ball” tour. The singer, whose real name is Stefani Germanotta, was experiencing chronic pain that caused the cancellation of four tour shows earlier this week. “After additional tests this morning to review the severity of the issue, it has been determined that Lady Gaga has a labral tear of the right hip,” a Live Nation post on LittleMonsters.com announced on Wednesday.

“She will need surgery to repair the problem, followed by strict down time to recover. This unfortunately, will force her to cancel the tour, so she can heal.” A labral tear of the hip “involves the ring of soft elastic tissue, called the labrum, that follows the outside rim of the socket of your hip joint. The labrum acts like a socket to hold the ball at the top of your thighbone [femur] in place,” according to the Mayo Clinic’s website. The unidentified show injury, which she said worsened in the last month, has prevented her from walking. Mother Monster, 26, tweeted about the whole ordeal Tuesday when the injury left her immobile after a Montreal concert Monday. The whole situation has left the “Just Dance” singer “heartsick.” “I’ve been hiding a show injury and chronic pain for sometime now, over the past month it has worsened. I’ve been praying it would heal,” she tweeted. “I hid it from my staff, I didn’t want to disappoint my amazing fans. However after last nights performance I could not walk and still can’t.” The tour kicked off on January 14 in Washington, and the massive two-year tour was meant to span six continents. The cancellation of the 21 dates is estimated to cost the industry more than $35 million in lost revenue, according to the Chicago Tribune. She earned $161 million on the road last year. Two of the Chicago concerts were among the first to be cancelled. Fan support from her Little Monsters has poured out up on both her website and Twitter page. .