Did you know Dolly Parton has a Doctor of Humane and Musical Letters? Or that Jimmy Fallon received a doctorate despite dropping out of his alma mater? Truth be told, some of your favorite A-list artists, musicians and actors have been conferred ceremonial awards even without graduating from college institutions.

To celebrate these famous overachievers for their accomplishments, we’re recognizing the stars who walked the stage — sometimes more than once! — to receive coveted honors.

Check out which celebrities are also honorary recipients in our gallery, above.