• COVER GIRL photo | Ellen DeGeneres

Credit: Mike Rozman/Warner Bros

Published: Friday October 30, 2009 06:00 AM EDT

2009

COVER GIRL

Ellen DeGeneres debuts her clever Halloween costume – a made-up cover of O Magazine! – during her talk show on Thursday. The comedienne is set to appear alongside Oprah Winfrey on the actual magazine cover in two weeks, but that photo has yet to be revealed.