J.K. Rowling uncomfortable in the process.

Lewis is Daniel Radcliffe in the buff in the play "Equus." The photos were "Not as bad" as that experience, "but close," Rowling wrote.

An embarrassed Lewis replied to Rowling's comment with a hasty apology (and acknowledgement of the awkwardness), though the author took it in stride. "I will always you whatever you want to do, Matthew," Rowling responded, before cheekily adding, "Now go put some clothes on."

Best "Harry Potter"-themed Twitter interaction ever? We think so. A thousand points to Gryffindor.

[via: Attitude, J.K. Rowling, h/t BuzzFeed]

Photo credit: Attitude