We suspected as much, but Michigan Sports Center has obtained clear evidence that the exposed USC Song Girl Rose Bowl heiney is, indeed, the result of a wedgie. We'll let the crestfallen Conquest Chronicles explain:

Sean at Michigan Sports Center had to go and ruin the only thing I liked about the Rose Bowl: Turns out, he got his hands on an HD picture of the above and the young co-ed in question was wearing skivvies ... Thanks-a-fucking lot, Sean. While you're at it, why don't you just go and tell my 5 year old niece there is no Santa Claus, too.

Above is the Zapruder Film of the 21st Century: Our only regret is that Gerald Ford is no longer here to serve on a new Warren Commission. And please feel free to examine MSC's HD photo for yourself, after the jump.

USC Song Girl At It Again [Michigan Sports Center]
The Only Good Thing About The Rose Bowl [Conquest Chronicles]
A Deadspin Special Report: Megan, Says Boi [Deadspin]