Yesterday was a historic and nervous day for game show icon Vanna White.

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For the past 37 seasons, White has been the letter turner on the award-winning game show while Pat Sajak held down hosting duties.

Yesterday, that all changed when Vanna took over the hosting duties for Sajack who was undergoing emergency surgery during the time the show was being taped.

Vanna and Pat did swap one time before at the end of a round in 1996. Pat had lost his voice, so Vanna did the bonus round while Pat turned the letters.