Questioned after the shoot, the models said they had signed up "for the experience" or "for art's sake".

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More than once Rockwell fled to Paris to try art for art's sake.

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Unlike other artists, Wiley is not interested in art for art's sake.

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But jazz musicians need to think about their audiences not just for the sake of their livelihoods, but even more so for the sake of their art.

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Then of course, there's Kirk Lazarus (Robert Downey Jr. in a knockout performance), a pompous multi-Oscar winner who is always eager to show audiences just how far he'll go for the sake of art.

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For the sake of art, of course.

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"I loved the idea of a small part of the city that I call home coming together and using tattooing as the medium for the sake of a community art project, " said Josh Weinel, 36, a participant in the project.

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