In 1999, the jaunty fedora and wacky reversed Dior suit Celine Dion wore to the Academy Awards landed her on several worst dressed lists. "In her backward tuxedo there's no way of knowing whether Diva Dion is coming or going: a profusion of confusion," the late fashion maven Mr. Blackwell sniped. But the singer took it in stride. "At the Oscars this year, I wanted to play a trick and wear the same suit forward," she told W magazine cheekily in 2007. "I did not."