Singer-actor Nick Jonas remained tight-lipped when a Washington, D.C., radio station asked him about being seen with actress Kate Hudson, 36, at Walt Disney World in Orlando, Florida, on Saturday.

"OK, so I have to ask you," WIAD/94.7 FM personality Dana McKay told Jonas, 23. "I hope you don't get mad at me. What was going on with you and Kate Hudson this weekend?"

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"I'm not gonna get mad at you," he replied, "but I'm also not gonna talk about it."

PhotosThe Jonas Brothers

McKay asked, "All right, you don't kiss and tell?" To which Jonas replied, "I keep some things to myself."