Conversation so far:
What happened to Macaulay Culkin in 2003?
Macaulay Culkin returned to acting in 2003 with a guest appearance on the television show Will and Grace and a role in the film Party Monster.
Did Macaulay Culkin do anything else?
Macaulay Culkin headed back into motion pictures in 2003 with Party Monster.

Question: What was this role?
Self-contained rewrite: What was Macaulay Culkin's role in Party Monster?