Nick Jonas lips are totally sealed when it comes to his rumored romance with actress Kate Hudson and to him, some things are preferred not to be talked about. Does that mean they are actually having an affair and want to keep it private?

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During a backstage interview at the Fillmore silver Spring in Silver Spring, Maryland on Tuesday, September 29,  Dana McKay of 94.7 Fresh FM asked the  'Levels' singer, "Don't be mad at me but … What was going on with you and Kate Hudson this weekend?"  Regarding their hanging out at Disney in Orlando on Saturday, September 27.

"I'm not gonna get mad at you, but I'm also not gonna talk about it," the 23-year-old singer replied. When McKay further asked: "You don't kiss and tell?" Nick said: "I keep some things to myself."

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Meanwhile, Hudson was later spotted at Jonas' concert at the House of Blues in Orlando on Saturday night and according to an HOB staff, she went incognito  but "she kept smiling through out his performance and she gave him a hug and a quick peck before she went to her seat… It just seemed really friendly, not romantic,"  the source told People magazine of Hudson.