I'm so excited for her non-music collaborations.
Working with Marina Abramovic and Jeff Koons is a big deal, the shoots with Inez and Vindooh will be beautiful, and Steven Klein, Jonas Akurland and probably Francis Lawrence are inevitable directors. Fashion-wise, she'll have the pick of the lot, and then of course there's NASA and Apple. I mean...that's still probably only scratching the surface.
What I'd LOVE is if she collaborated with artists for the singles artwork. Each cover a collectable pop art print, rather than photoraphs.
ETA: Robert WIlson, too. The staging for her performances should be really next level.