Maya Rudolph Maya Rudolph

Maya Rudolph may have been the official guest speaker at Tulane's commencement ceremony Saturday, but Beyoncé was there in spirit.

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After her prepared remarks, Rudolph channeled the "Drunk in Love" singer and launched into a version of the National Anthem, sprinkling in lyrics from "Take Me Out to the Ball Game" and Beyoncé's "Single Ladies."

Rudolph was known for impersonating Beyoncé during her days on Saturday Night Live.

Check out her commencement speech here: