Lily Jordan, 16, had jokingly invited the band to come visit her at Penn State Children's Hospital, where she's receiving chemotherapy treatment for cancer.
Teen-fan Lily Jordan made her plea on Instagram. and it worked!
"I was supposed to be at your Hershey concert tomorrow but instead I'm across the street doing chemo", wrote Lily. "If y'all wanted to pop in I'll give you my room".
She also greatly appreciated the time everyone took to share her original social media post.
"The entire feed was filled", he said.More news: Huawei sets a date for the next Mate
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Even Nick's spouse, Priyanka Chopra Jonas, tagged alongside for the seek advice from and met Jordan.
Lily was undergoing chemotherapy and was unable to make the Jonas Brothers concert she had originally bought tickets for due to her health.
"We saw your messages, we had to come over", stated Joe, to the smiling Jordan.
The brothers also promised to dedicate Lily's favourite song - "SOS" - to her when they performed later that night, as well as snapping some photos and signing autographs for her.
Reacting to Priyanka Chopra's post, an Instagram user wrote: "Isn't he 26?"
Some of Priyanka's fans pointed out that she made a mistake with Nick's age when she shouted out 27 as his age.
The Jonas Brothers are in the midst of their "Happiness Begins" tour for their recently released comeback album of the same name.