Anyone who has ever been lucky enough to see Pink live knows that she puts serious work into her performances -- live vocals, crazy aerial stunts and choreography -- to ensure an amazing show. So when she had to bail on a concert in Birmingham, England, she was bummed.

So were her fans, some of whom sent her hate mail. That didn't sit well with the feisty songstress, who was forced to cancel due to a pretty serious series of infections.

Pink took to Facebook to vent about the cancellation and subsequent fallout. We've edited her post a bit to bleep out any profanities (we all know Pink loves her potty mouth!), but the words themselves are all hers.

"To all of the fans/friends/people/ticket buyers from the Birmingham show that I had to cancel:

And I say 'had' because I had absolutely no choice in the matter, no control over the circumstances and physically could not get my sick a-- on stage, because of an ear infection and chest infection all at the same time, and even a doctor told me I could not go on stage whether I wanted to or not. To all of you:

I sincerely apologize, AGAIN, for any inconvenience this may have caused you. Sincerely. I actually rode by the venue, and saw some of you in line, and there was not a f---ing thing I could do about any of it. Except cry. My heart was absolutely broken.

I am getting a lot of hate mail from some of you, not all. But to those of you that expect and feel entitled to perfection, have a look at my track record -- please -- in general -- for tours past. I have an incredible record. I do not cancel and I do not take it for granted how much trouble people go to- from spending hard earned money they don't have, to travel expenses and time and planning, etc. I take NONE of it for granted, EVER. That's why I never phone it in. I go on stage and pour my f---ing heart and body out on that stage. I ruin my body and my vocal chords, make myself sicker, come h--- or high water. I don't lip sync, I don't rely on dancers to do my work for me. I try to put the best show on that I can, that any human being can, and I don't stop until I know you're happy.

I am a human being, therefore I am able to catch illness. It is beyond my control -- and I can't apologize for that. And you know what I've been performing through the last week? ROTA virus. Look it up. I challenge any one of you to do what I do while sick with that. You couldn't do it.

The fact that I don't get the benefit of the doubt from you saddens me. There is no way I can make up this date. There isn't a way. And for any of you that believe in me, please know we did everything we could to try to make it happen. Everything. It's a logistical nightmare that is again, out of my control.

And guess what? I might actually get sick again on this tour. Can you imagine it? How dare I even think that? I have a two year old who is building her immune system by getting sick all over the place. And the fact that I even went on tour while being a full time mom is a miracle in itself.

The next time I schedule dates -- ill have to say to myself -- 'If, God forbid I have to cancel one show, those fans will turn on me like rabid dogs and question the moral fabric of my character.'

For the loyal and understanding fans -- I am so so sorry if I've hurt you in any way. For the rest of you -- kindly kiss my entire almost back to healthy a--.

Love always,
Alecia the human, also known as P!nk"

You hear that, U.K.? She's not hung over, she didn't party too hard and she's not going to half-butt her way through a show. Pink is ill. And she also proved that she's, well, ill.

Here's hoping she gets well soon -- and that the people who are so mad about her being sick get over themselves. These things happen, and with Pink, they don't happen often.

Watch Footage From the Sold-Out Opening Night of Pink's Tour

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