Notorious bad boy, and the center of a lot of drama on MTV's former reality show "The Hills," Spencer Pratt has finally finished college - 10 years after he enrolled!

According to the Huffington Post, Pratt tweeted a picture of his last day as a student at the University of Southern California on Dec. 4: "Today was my last day of College @USC! Best 10 years of my life! #Trojans"

Pratt enrolled at USC before his career took off, and then he re-enrolled in 2011.

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