Carrie Underwood stopped rumors about a fight with Nikki Glaser.

Nikki Glaser was a guest judge on American Idol and people thought she and Carrie didn't get along.

Carrie Underwood said there was no problem between her and Nikki Glaser.

A country music fight took an unexpected turn.

Carrie Underwood talked about the rumors of a fight with Nikki Glaser.

Carrie Underwood posted a picture with Nikki Glaser on Instagram.

Fans questioned if Carrie Underwood's post was sincere.

One fan said Carrie didn't look happy with Nikki next to her.

Carrie Underwood surprised an American Idol contestant with a gift.

A fan asked why Carrie seemed fake and mean to Nikki.

Nikki Glaser was a guest judge with Lionel Richie, Carrie Underwood, and Luke Combs.

The radio host rolled his eyes at social media talk about Carrie.

The radio host said people want to start a fight over small things.

Carrie Underwood said she's used to people trying to start fights.

Carrie said Nikki did a great job as a guest judge.

Carrie said there's no fight between her and Nikki.

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The radio host asked Carrie about her time on American Idol.

Carrie Underwood performed on the American Idol finale.

Carrie said the internet has changed since she was on American Idol.

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Carrie said contestants now have to deal with more than she did.

Carrie said people forget that contestants are human beings.

Carrie Underwood won American Idol in 2005.

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Carrie said the internet makes it easy for people to say mean things.

Carrie said everyone has to navigate the internet and its effects.

Tracy Wright is an entertainment reporter for Fox News Digital.