But her health issues did not stop there.
In a new interview with People magazine, Clarkson said a week after the awards show she was filming "The Voice" and suddenly knew something was wrong.
"Blake [Shelton] was talking to me and all of the sudden, everything he said just went away and I had to grab his arm and I was like, 'Something is wrong,'" she told the magazine.
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Kelly Clarkson is opening up about staying true to herself—and putting family first above all. ❤️ In this week's issue, the global music superstar discusses everything from her tough childhood to her busy life with the launch of the Kelly Clarkson Show. Tap the bio link for more on her daytime talk show and her most important job—being 'Mom.' | 📷: @jerseyjim1453
What the singer and host was dealing with was a cyst bursting on her ovary.
"That was more painful than the appendicitis. It was literally a week after my surgery so I was freaking out!" she told the magazine.
In classic Clarkson fashion, she took the back-to-back health scares in stride.
"I was hysterically laughing and crying at one point in the E.R. like 'What is happening?'" she added.
She has fully recovered since the scare.
"I’m totally great now," she said.