Lady Gaga (AKA Stefani Joanne Angelina Germanotta) had to undergo hip surgery after a concert injury forced her to cancel part of her "Born This Way Ball" tour.
Source: That Grape Juice
Apparently, she did not tell anyone that she was injured when the injury occurred. She actually hid it from her staff for a month but the pain and loss of mobility finally caused her to admit that she needed medical attention - WOW! Lady Gaga must have a pretty high pain threshold!
So what was the injury? A Labral tear of the hip - sounds pretty painful!
Lady Gaga is known to be devoted to her fans, and right before her surgery she tweeted.....
I thought about all of your pain and perseverance, your unique family situations, school environments, health issues, homelessness, identity struggles -- sometimes you are so brave that it terrifies me. I wonder how it's even possible. So I thought to myself, I'm alive, I'm living my dream, and this is just a bump in the road. I'm grateful because this is temporary, and for some it is not. You have changed my life. I love you and am proud to be a part of your lives. If you can do it, I can do it too, and if we stick together we can get through anything.
What more can be said?
Albums by Lady Gaga:

E Music