I don’t have it handy, but I once ran across something that indicated that those two people were not Valarie Jarrett and what’s his face. There was a website with pictures like the one you’re referring to. Google image search may lead you to it.
Edit and Update: I may be wrong.
I'm taking some time this morning to dig around and given what I found and what Q has told is this is not looking debunked.
https://twitter.com/travis_view/status/1072262389905539074
https://www.50parties.com/party-49-party-naked/party-naked-snapshots.html (gone now, but there is a capture)
https://www.standardhotels.com/culture/50-Parties-Ryan-McGinness-Standard-Press-Book (look at all of the pictures)
Note the name of the hotel above.
I don’t have it handy, but I once ran across something that indicated that those two people were not Valarie Jarrett and what’s his face. There was a website with pictures like the one you’re referring to. Google image search may lead you to it.