CORVALLIS, Ore. -- Oprah Winfrey dropped into the 148th commencement service Saturday at Oregon State University.

She used Instagram to share the vist, including a photo with Benny the Beaver with the caption '"And this concludes my day at Oregon State. #gobeavs"

#8 done! #graduationtour

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And this concludes my day at Oregon State. #gobeavs

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7,000 graduates today #OSU #graduationtour. #8

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Doctorates and Masters handed out. Now for the Undergrads!๐Ÿ‘ฉ๐Ÿพ‍๐ŸŽ“ #OSU #graduationtour

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First time in Oregon .. wow is it Greeeeeen! #OSU๐Ÿ‘ฉ๐Ÿพ‍๐ŸŽ“

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