So I was completely wrong. The latest rumors are that Kristen Stewart will once again grace the cover; the reason I say once again is that last summer rumor was she was planned for the cover, but because she refused to talk more openly in her interview the cover was given to Blake Lively instead.
Although I'm not a huge fan, she was robbed of a cover and therefore she deserves one. I had assumed she'd be on a cover later this year either before 'Twilight' or 'On the Road' opened, but hey when you are offered a cover you take it. She has had two teenVogue covers previously so it's about time she graduated to Vogue proper.
Small Note: Four brunettes on the cover in a row! Anne Hathaway, Angelina Jolie, Natalie Portman, and now Kristen Stewart. Sounds like something small, but that never happens! Lady Gaga next month will break up the pattern.
Now let's see about my next prediction; Mario Testino as the photographer! Now watch it be Annie Leibovitz or Patrick Demarchelier.