Conversation so far:
How is Shia relevant to performance art?
In early 2014, LaBeouf began collaborating with British artist and author of The Metamodernist Manifesto, Luke Turner, and Finnish artist Nastja Sade Ronkko.

Question: Why did he colaborate with them?
Self-contained rewrite: Why did Shia LaBeouf colaborate with Luke Turner and Nastja Sade Ronkko?