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Natalie Portman says her Harvard classmate Jared Kushner has become a "supervillain."

The Oscar-winning actress said on CBS' "Late Show with Stephen Colbert" on Thursday that there's not much that's funny to say about "someone you were friends with becoming a supervillain."

Portman and Kushner both graduated from Harvard in 2003.

Portman noted that Kushner has compared friends he's lost because of politics to "exfoliating."

Host Stephen Colbert asked, "So you're a dead skin cell?" Portman answered, "Proudly."

Colbert said Kushner was rumored to be not "that great of a student." Portman said, "That is true, yes."

Kushner is a senior adviser and son-in-law to Republican President Donald Trump. Portman campaigned for Democratic presidential candidate Hillary Clinton in 2016.

A spokesman for Kushner didn't immediately respond to a request for comment.