Amy (Duggar) King Was 'Laughing Hysterically' at Josh Duggar Joke

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Amy (Duggar) King has thick skin about Josh Duggar jokes.

Brad Paisley made a joke Wednesday night about the disgraced former 19 Kids and Counting star's infidelity, after his connection to Ashley Madison, a website that caters to people looking to have an affair, surfaced – and one of Josh’s extended family members had a laugh about it.

"Whoa!!'@BradPaisley wasn't expecting THAT," Amy tweeted. "Laughing hysterically."

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The bit went like this:

"'Have you heard that duet Blake [Shelton] did with Ashley Madison?" Brad asked during the CMA Awards, to which Carrie Underwood answered, "'No, no, that was Ashley Monroe."

"Have I been going to the wrong site? We don't have to be lonely at," Brad joked in return. "Bored with your wife? And your sister, too? Your cheating side will tell on you, Josh Duggar."

WATCH: EXCLUSIVE: Josh Duggar Has 'No Remorse' For Being Unfaithful to Anna

Last week, Josh's wife, Anna Duggar, made a rare appearance with Amy since news of Josh's infidelity broke.

Acknowledging the controversy, Amy posted to Instagram, writing, "Any negative comments will be deleted, just try me. She's beautiful!"

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Amy told ET about spending time with Anna, "I think the picture I posted shows how strong Anna truly is, she's smiling, and has a lot of love around her."

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"She was talking to people at the event, having so much fun," she continued. " And she looked so pretty.”

Watch the video below.