Ryan Seacrest wipes out on the 'Wheel of Fortune' set; Vanna White stunned at her cohost's collapse ...

The "American Idol" host ran back to center stage and held up the "Wheel of Fortune" cheese. He then hid behind White, out of breath and waved goodnight to the viewers.

In a change of pace for Wheel of Fortune, it was Vanna White who spun a wheel on the show's stage recently ... After all, the video footage of the actual festival that played behind them showed ...