When it comes to sexy Halloween costumes, Paris Hilton’s consistent looks and Kim Kardashian’s seductive ensembles really take the cake, and you just know you can always expect adorable family costumes from Neil Patrick Harris. But when it comes to cleverness, Ellen DeGeneres has everyone else beat. From last year’s hilarious George and Amal Clooney costume to her Dr. Phil look all the way back in her talk show’s first season, Ellen has proven she can surprise and delight us with her Halloween costumes. Keep reading to see her dressed up through the years.