Katy Perry and Russel Brand will have a baby boy in October 2010

Created by kimmjaynedowling on 2010-02-09; known on 2010-02-01; judged wrong by gwern on 2010-07-29.

• kimmjaynedowling estimated 75% on 2010-02-09
• gwern said “Perry is not pregnant, so this is impossible.” on 2010-07-29
• gwern   judged this prediction wrong on 2010-07-29.